Vita
Linda J.S. Allen
Educational Background
 1981, Ph.D., Mathematics,
University of Tennessee, Knoxville. Advisor: T.G. Hallam.
 1978, M.S., Mathematics, University of Tennessee,
Knoxville.
 1975, B.A., Mathematics, College of St. Scholastica,
Duluth, Minnesota.
Professional Positions
 2006, 2012 Long Term Visitor, Mathematical Biosciences Institute, Ohio State U, Spring Semester
 1999present, Adjunct Professor, The Institute for Environmental and Human Health, Texas Tech

1998present, Professor, Department of Mathematics and Statistics, Texas Tech
 19911998, Associate Professor, Department of Mathematics, Texas Tech
 19851991, Assistant Professor, Department of Mathematics, Texas Tech
 19821985, Assistant Professor, Department of Mathematics, U of
North Carolina at Asheville.
 19811982, Visiting Assistant Professor, Department of Mathematics,
U of Tennessee, Knoxville.
 19751981, Research and Teaching Assistant, Department of Mathematics,
U of Tennessee, Knoxville.
 1977, Technical Assistant, Environmental Sciences Division, Oak Ridge
National Laboratory, Oak Ridge, Tennessee.
Professional Activities and Memberships
 Senior Advisory Board, Natural Resource Modeling, 2008present.
 Editorial Board, Journal of Biological Systems, 2012present
 Editorial Board, Journal of Biological Dynamics, 2008present.
 Editorial Board, Journal of Difference Equations and Applications, 2007present.
 Editorial Board, Journal of Theoretical Biology, 2006present.
 Editorial Board, Mathematical Biosciences and Engineering, 2012present.
 Editorial Board, Mathematical Biosciences, 20052013.
 Editorial Board, SIAM Journal of Applied Mathematics, 20072010.
 Book Review CoEditor, Journal of Difference Equations and Applications,
20042010.
 Editorial Board,
Discrete and Continuous Dynamical Systems Series B,
20022007.
 Associate Editor,
Journal of Mathematical Systems, Estimation, and Control,
19931996; Communicating Editor, 19961998.
 Scientific Advisory Committee, Mathematical Biosciences Institute, The Ohio State University, 20092011.
 International Society of Difference Equations, Board of Directors, 20112013; 20132015.
 Member:
 Society for Mathematical Biology
 Association for Women in Mathematics
 International Society of Difference Equations
 Mathematical Association of America
 Society of Industrial and Applied Mathematics
Awards and Honors
 Paul Whitfield Horn Professor, TTU, 2010.
 Barnie E. Rushing, Jr. Faculty Distinguished Research Award, TTU, 2007
 Mathematics Professor of the Year, Kappa Mu Epsilon, TTU, 2012.
 Taylor & Frances Best Paper Award 2005 for ``SIS epidemic models with multiple pathogen strains'',
Journal of Difference Equations and Applications [48]
 Alum of the Month, College of St. Scholastica, November 2003.
 Outstanding Faculty Mentor, TTU McNair
Scholars Program, 1999.
 Graduate Professor of the Year, TTU Chapter of
SIAM, 19971998.
Selected Grants
 NSF, Development and Analysis of
ThreeSpecies Epidemic Models. 7/92  12/94.
 NSF, Development and Analysis of Models for the Spread
and Control of Weeds and Infectious Diseases. CoP.I.: E. Allen and M.
McGinley. 7/96  8/00.
 TTU Graduate School Summer Research Awards for Graduate Students, Faculty Investigator in 1988 (Douglas Hallam), 1995 (David Thrasher), and 2004 (Robert McCormack).
 TTU, Interdisciplinary/Multidisciplinary Seed Fund
Project, Epidemic Models Applied to the Study of Disease Evolution in Plant Pathosystems. CoPI: R.
Strauss. 1/006/01.
 Texas Higher Education Coordinating Board, Advanced Research
Program, Occurrence, Frequency, Duration, Size and Spread of Epidemics in Stochastic Structured Models.
01/0008/02.
 NSF, Dynamics and Evolution of Emerging Diseases with Applications to Amphibians.
CoPI: E. Allen, S. McMurry, M. San Francisco, L. Smith, L. RollinsSmith.
05/0206/07.
 NIH, The Impact of Rapid Anthropogenic Land Cover Change in the Chaco and Interior Atlantic Forest in Paraguay on Hantavirus Ecology. PI: C. Jonsson, CoPI: R. Owen, L. Allen, M. Almiron, Y. Chu, D. Goodin, S. Hutchinson, E. Pontelli, D. Ranjan, S. Tran. 03/0404/08.
 Texas Higher Education Coordinating Board, ARP, Metapopulation Models
for the Playa Lakes of the Southern High Plains. 5/065/08.
 NSF, Stochastic Metapopulation Models Applied to Amphibians on the Southern High Plains. CoPI: E. Allen, S. McMurry, and L. Smith. 9/078/10.
 Mathematical Biosciences Institute. ICMA IV Conference. PI: L. Allen, CoPI: E. Allen, B. Ghosh, A. Ibragimov, N. McIntyre, S. Jang, L. Roeger and R. Strauss.
9/1312/13.
 NSF, ICMA IV Conference. PI: L. Allen, CoPI: E. Allen, N. McIntyre, S. Jang, and L. Roeger. Senior Personnel: A. Ibragimov and R. Strauss. 9/138/14.
Graduate Work Directed
 Ph.D. Students
 Jake Kesinger, December 2001.
 Nadarajah Kirupaharan, August 2003.
 Keith Emmert, August 2004.
 Robert McCormack, August 2006.
 Curtis Wesley, August 2008.
 Amy Drew, August 2009.
 Kumudu Mallawa Arachchi, December 2009.
 Glenn Lahodny,Jr., August 2012. CoAdvisor: L Roeger.
 Sukhitha Vidurupola, August 2013.
 Master's Students
 Douglas Hallam, MS, December 1988.
 Martha Jones, MA, May 1990.
 Mary Arthur, MA, December 1991.
 Dingyuan Lu, MS, August 1993. CoAdvisor: T Lewis.
 Deanna Dick, MS, December 1993. CoAdvisor: C Martin.
 Kim McGowan, MS, May 1994. CoAdvisor: C Martin.
 Paul Dacus, MS, May 1994 CoAdvisor: T Lewis.
 Sudasanna Ponweera, MS, December 1994. CoAdvisor: E Allen.
 Phyllis Cormier, MS, December 1994.
 Ana Paula Chamon, MA, May 1995.
 Kristin Sumpter, MS, July 1995.
 David Thrasher, MS, December 1996.
 David Atkinson, MS, May 1997.
 Amy Burgin, MS, May 1998.
 Ruwan Ratnayake, MS, May 1998.
 Jake Kesinger, MS, May 1998.
 Garry Block, MS, December 1998.
 Penelope Misquitta, MS, May 1999.
 Sarah Stinnett, MS, May 1999.
 Niranjala Perera, MS, December 2003.
 Kiyomi Kaskela, MS, August 2004.
 Robert McCormack, MS, August 2004.
 Amy Drew, MS, December 2004. CoAdvisor: E Allen.
 Yaji Xu, MS, August 2006.
 Chandrani Banerjee, MS, December 2007.
 Yuan Yuan, MS, August 2010.
 Sukhitha Vidurupola, MS, December 2010.
 Chelsea Lewis, MS, August 2011.
 Kristin Yearkey, MS, August 2011. CoAdvisor: V. Howle.
 Pooya Aavani, MS, August 2012.
 Mary Hebert, MS, August 2014.
 Undergraduate Work Directed
 Pam Lockwood, Senior Honors Project, 1993.
 Michael Williams, Senior Honors Project, 1996. Awarded
a Mathematical Spectrum Prize for his contribution to Volume 31 of the
magazine.
 Ralynn Ernest, Ronald E. McNair Scholar, 1998.
 Billy Duke, Ronald E. McNair Scholar,
2000.
 David Flores, 2000.
 Sherri Wilson, Senior Honors Project, 2001.
 Jennifer Tang, Ronald E. McNair Scholar, 2008. CoAdvisor: E. Allen.
 John Fenske, REU, 2010.
 Kaylee Holloway and Robert Wallette, PRISM Scholars, 20122013.
 Robert Wallette, 2014.
Books
 Allen, L. J. S. An Introduction to Stochastic Processes with Applications to
Biology. Prentice Hall.
2003. Second Edition, Chapman Hall/CRC Press, Boca Raton, FL, 2010.
 Allen, L. J. S. An Introduction to Mathematical Biology.
Prentice Hall. 2007.
Book Chapters
 Hallam, T. G. and L. J. Allen. 1982. Diversity and spatial effects
on competitive systems. In: Nonlinear Phenomena in Mathematical
Sciences, (V. Lakshmikantham, ed.), pp. 1524, Academic Press, New York.
 Allen, L.,
T. Lewis, C. Martin, R. Carpio, M. Jones, M. Stamp, G. Mundel,
and A. Way. 1992. Stochastic Analysis of Vaccination Strategies. In:
Stochastic Theory and Adaptive Control, Lecture Notes in Control
and Information Sciences (T. E. Duncan and B. PasikDuncan, Eds.),
pp. 111, SpringerVerlag, New York.
 Martin, C., L. Allen, M. Stamp, M. Jones, R. Carpio. 1993. A model
for the
optimal control of a measles epidemic. Computation and Control III.
Proceedings of the Third
Bozeman Conference, Aug. 511, 1992. Birkhauser, Boston. pp. 265283.
 Allen, L. J. S., M. K. Hannigan, and M. J. Strauss. 1996.
Development
and analysis of a mathematical model for a plantherbivore system. In:
World Congress of Nonlinear Analysts '92, Proceedings of the First
World Congress of Nonlinear
Analysts, Tampa, Florida, August 1926,1992. V. Lakshmikantham (Ed.), Vol.
IV, pp. 37233732.
Walter de Gruyter, Berlin and New York.
 Allen, L. J. S. and E. J. Allen. 1999. Mathematical models for the
dispersal and
control of undesirable plants on rangeland. Proceedings of the Fifth
International Conference on
Desert Development, Desert Development: The Endless Frontier, Vol. I,
Lubbock, TX, August, 1996, pp.
488503.
 Allen, L. J. S. and R. K. Ernest. 2001. The impact of longrange
dispersal in population and
epidemic models. ``Mathematical Approaches for Emerging
and Reemerging Infectious Diseases: Models, Methods and Theory.'' C.
CastilloChavez, Sally Blower,
P. van den Driessche, D. Kirschner, and AA. Yakubu (Eds.) IMA Vol. 125:
183197.
 Allen, L. J. S. and J. C. Kesinger. 2002. Selection in population
genetics
models of hostpathogen systems. In: New Trends in Difference
Equations.
Proceedings of the Fifth International Conference on Difference Equations,
Temuco,
Chile, 2000, S. Elaydi, J. Lopez Fenner, G. Ladas, and M. Pinto (Eds.),
Taylor and Francis,
London and New York, pp.
1531.
 Allen, L. J. S., E. J. Allen, and C. B. Jonsson. 2006. The impact of environmental variation on hantavirus infection in rodents. AMS Contemporary Mathematics Series. C. CastilloChavez, D. P. Clemence, and A. B. Gumel, Eds. Proceedings of the Joint Summer Research Conference on Modeling the Dynamics of Human Diseases: Emerging Paradigms and Challenges., AMS Providence, RI,pp. 115.

McCormack, R. K. and L. J. S. Allen. 2006. Stochastic SIS and SIR multihost epidemic models. Proceedings of the Conference on Differential & Difference Equations and Applications. R. P. Agarwal and K. Perera, Eds., Hindawi Pub. Co., pp. 775786.
 Allen, L. J. S. Chapter 3: An Introduction to Stochastic Epidemic Models. Mathematical Epidemiology, Lecture Notes in Mathematics, Vol. 1945, F. Brauer, P. van den Driessche, and J. Wu (Eds.), pp. 81130, Springer Series (2008).
 Allen, L. J. S. 2012. Branching Processes. In: Encyclopedia of Theoretical Ecology. A. Hastings and L. Gross (Eds.) pp. 112119. University of California Press.
 Allen, L. J. S. and E. J. Allen. 2013. Deterministic and stochastic SIR epidemic models with power function transmission and recovery rates. AMS Contemporary Mathematics Series Mathematics of Discrete and Continuous Dynamical Systems: In honour of the 70th birthday of Ronald E. Mickens. A. Gumel, Ed. In press.
Edited Volumes
 Difference Equations and Discrete Dynamical Systems. Proceedings of the 9th International Conference. World Scientific Publishing, 2005. L. J. S. Allen, B. Aulbach, S. Elaydi, and R. Sacker (Eds.)
 Special Issue Journal of Biological Dynamics. Proceedings of a Special Session at the American Mathematical Society Meeting,New Orleans, January 2007. Volume 1(4) 2007. L. J. S. Allen, S. R. Jang, and L. Roeger (Eds.)
Journal Publications
 Hallam, T. G., L. J. Svoboda (Allen), and T. C. Gard. 1979.
Persistence and extinction in three species LotkaVolterra competitive
systems. Mathematical Biosciences, 46: 117124.
 DeAngelis, D. L., L. J. Svoboda (Allen), S. W. Christensen,
and D. S. Vaughan. 1980. Stability and return times of Leslie matrices
with densitydependent survival: Applications to fish populations.
Ecological Modelling, 8: 149163.
 Allen, L. J. S. 1983. Persistence and extinction in
LotkaVolterra reactiondiffusion equations. Mathematical Biosciences,
65: 112.
 Allen, L. J. S. 1983. Persistence and extinction in singlespecies
reactiondiffusion models. Bulletin of Mathematical Biology, 45:
209227.
 Allen, L. J. S. 1985. Fuzzy Sets. Consortium The Newsletter
of
the Consortium for Mathematics and its Applications. Lexington, MA,
December 1985, pp. 3,8.
 Allen, L. J. S. 1986. Fuzzy set theory. Mathematical
Spectrum, 19: 4045. Reprinted in A Mathematical Spectrum Miscellany.
2000. Applied Probability
Trust, pp. 122127.
 Allen, L. J. S. 1987. Persistence, extinction, and critical patch
number for island populations. Journal of Mathematical Biology,
24: 617625.
 Allen, L. J. S. 1989. A densitydependent Leslie matrix
model. Mathematical Biosciences, 95: 179187.
 Allen, L. J. S., M. P. Moulton, and F. L. Rose. 1990.
Persistence in an agestructured population for a patchtype
environment. Natural Resource Modeling, 4:197214.
 Allen, L., T. Lewis, C. F. Martin, and M. Stamp. 1990.
A mathematical analysis and simulation of a localized measles
epidemic. Applied Mathematics and Computation, 39: 6177.
 Allen, L. J. S., M. A. Jones, and C. F. Martin. 1991. A
discretetime model with vaccination for a measles epidemic.
Mathematical Biosciences, 105: 111131.
 Allen, L. J. S. 1991. Discrete and Continuous Mathematical
Models of Populations and Epidemics. Journal of Math. Systems,
Estimation, and Control, 1: 335369.
 Allen, L. J. S., M. J. Strauss, H. G. Thorvilson, and W. N.
Lipe. 1991. A preliminary mathematical model for the apple twig
borer and grapes on the Texas High Plains. Ecological
Modelling, 58: 369383.
 Allen, L. J. S., E. J. Allen, C. R. G. Kunst, and R. E.
Sosebee. 1991. A diffusion model for dispersal of cholla on
rangeland. Journal of Ecology, 79: 11231135.
 Moulton, M. P., L. J. S. Allen, D. K. Ferris. 1992. Competition,
coexistence and habitat selection in two introduced Hawaiian Mannikins.
Biotropica, 24: 7785.
 Allen, E. J., J. M. Harris, and L. J. S. Allen. 1992.
Persistencetime models for use in viability analyses of vanishing
species. Journal of Theoretical Biology, 155: 3353.
 Allen, L. J. S., M. K. Hannigan, and M. J. Strauss. 1993.
Mathematical
analysis of a plantherbivore system. Bulletin of Mathematical
Biology,
55: 847864.
 Allen, L. J., T. Lewis, C. F. Martin, G. Mundel, A. B. Way, C. K.
Lo,
M. A. Jones, and M. Stamp. 1993. Analysis of a
measles epidemic. Statistics in Medicine, 12: 229239.
 Lockwood, P. and L. J. S. Allen. 1993. Models for the spread of
disease
in predatorprey systems. Proceedings of the Texas Academy of
Sciences, 96th
Annual Meeting, Univ. North Texas, Denton, pp. 276281.
 Allen, L. J. S. 1994. Some discretetime SI, SIR, and SIS
epidemic
models. Mathematical Biosciences. 124: 83105.
 Martin,C. F., L. J. S. Allen, and M. Stamp. 1995. Urn model
simulations of a
sexually transmitted disease epidemic. Applied Mathematics and
Computation.
71: 179199.
 Allen, L. J. S. and P. J. Cormier. 1996. Environmentallydriven
epizootics. Mathematical Biosciences. 131: 5180.
 Martin, C. F., L. J. S. Allen, and M. Stamp. 1996. An analysis of
the transmission of chlamydia in a closed population. Journal of
Difference Equations
and Applications. 2: 129.
 Allen, E. J., L. J. S. Allen, and X. Gilliam. 1996. Dispersal and
competition models for
plants. Journal of Mathematical Biology. 34: 455481.
 Allen, L. J. S., E. J. Allen, and S. Ponweera. 1996. A
mathematical model for
weed dispersal and control. Bulletin of Mathematical Biology. 58:
815834.
 Allen, L. J. S. and D. Thrasher. 1998. The effects of vaccination
in an
agedependent model for varicella and herpes zoster. IEEE
Transactions on Automatic Control. 43: 779789.
 Williams, M. J. and L. J. S. Allen. 1998. The RSA Algorithm: A
PublicKey Cryptosystem.
Mathematical Spectrum. 31: 913. (Williams awarded Mathematical
Spectrum Prize for
his contribution to Volume 31.)
 Allen, L. J. S., E. J. Allen, and D. Atkinson. 1999.
Integrodifference equations applied to plant dispersal, competition, and
control. Fields Institute Communications 21: 1530.
 Jang S. R. J. and L. J. S. Allen. 1999. A simple food chain with
a growth
inhibiting nutrient. Applied Mathematics and Computation. 104:
277298.
 Allen, L. J. S. and A. Burgin. 2000. Comparison of deterministic
and stochastic SIS and SIR models in discrete time. Mathematical
Biosciences. 163: 133.
 Block, G. L. and L. J. S. Allen. 2000. Population extinction and
quasistationary behavior in
stochastic densitydependent structured models. Bulletin of
Mathematical Biology. 62: 199228.
 Allen, L. and C. Martin. 2000. Black Death, AIDS, and Mathematics:
What's the Connection?
Lubbock Magazine. 6(2): 5661.
 Kesinger, J. C., L. J. S. Allen, R. E. Strauss. 2001.
Discretetime models for gene frequencies
and population densities in plant pathosystems. Nonlinear Analysis
47:
14891500.
 Allen, L. J. S. 2001. SI and SIR Epidemic Models. Journal of
Difference Equations and Applications. Open
Problems and Conjectures. 7: 759761.
 Kesinger, J. C. and L. J. S. Allen. 2002. Genetic models for plant
pathosystems. Mathematical Biosciences 177178: 247269.
 Allen, L. J. S., D. A. Flores, R. K. Ratnayake, and J. R. Herbold. 2002.
Discretetime deterministic
and stochastic models for the spread of rabies. Applied Mathematics and
Computation. 132: 271292.
 Allen, L. J. S. 2003. Risk of population extinction due to demographic stochasticity in population
models. Comments on Theoretical Biology. 8: 433454.
 Ackleh, A. S. and L. J. S. Allen. 2003. Competitive exclusion and coexistence for pathogens
in an
epidemic model with variable population size.
Journal of Mathematical
Biology. 47: 153168.
 Allen, L. J. S., M. Langlais, and C. Phillips. 2003. The dynamics of two viral infections in a single
host population with applications to hantavirus. Mathematical
Biosciences. 186: 191217.
 Allen, L. J. S. and E. J. Allen. 2003. A comparison of three different stochastic population models
with regard to persistence time. Theoretical Population Biology. 64: 439449.
 Allen, L. J. S., N. Kirupaharan, and S. M. Wilson. 2004. SIS epidemic models with multiple pathogen
strains. Journal of Difference Equations and Applications. 10: 5375.
 Roeger, L.I. W. and L. J. S. Allen. 2004. Discrete MayLeonard competition models, I.
Journal of Difference Equations and Applications. 10: 7798.
 Kirupaharan, N. and L. J. S. Allen. 2004. Coexistence of multiple pathogen strains in stochastic epidemic models
with densitydependent mortality. Bulletin of Mathematical Biology. 66: 841864.
 Emmert, K. E. and L. J. S. Allen. 2004. Population persistence and extinction in a discretetime,
stagestructured epidemic model. Journal of Difference Equations and Applications. 10: 11771199.
 Ackleh, A. S. and L. J. S. Allen. 2005. Competitive exclusion in SIS and SIR epidemic models with total cross
immunity and densitydependent host mortality. Discrete and Continuous Dynamical Systems  Series B. 5(2): 175188.
 Allen, L. J. S. and N. Kirupaharan. 2005. Asymptotic dynamics of deterministic and stochastic epidemic models with multiple pathogens. International Journal of Numerical Analysis and Modeling. 2(3): 329344.
 Allen, L. J. S., J. F. Fagan, G. Hognas, and H. Fagerholm. 2005. Population extinction in discretetime stochastic population models with an Allee effect. Journal of Difference Equations
and Applications. 11(45): 273293.
 Allen, E. J., L. J. S. Allen, and H. Schurz. 2005. A comparison of persistencetime estimation
for discrete and continuous
stochastic population models that include demographic and
environmental variability. Mathematical Biosciences. 196: 1438.
 McCormack, R. K. and L. J. S. Allen. 2005. Disease emergence in deterministic and stochastic models for host and pathogen. Applied Mathematics and Computation. 168(2): 12811305.
 Emmert, K. E. and L. J. S. Allen. 2006. Population extinction in deterministic and stochastic discretetime epidemic models with periodic coefficients with applications to amphibian populations. Natural Resource Modelling 19(2): 117164.
 Xu, D., Z. Feng, L. J. S. Allen, and R. K. Swihart. 2006. A spatially structured metapopulation model with patch dynamics. Journal of Theoretical Biology. 239(4): 469481.
 Drew, A., E. J. Allen, and L. J. S. Allen. 2006. Analysis of climatic and geographic factors on the presence of chyridiomycosis in Australia. Diseases of Aquatic Organisms. 68: 245250.
 Allen, L. J. S., R. K. McCormack, and C. B. Jonsson. 2006. Mathematical models for hantavirus infection in rodents. Bulletin of Mathematical Biology. 68(3): 511524.
 Allen, L. J. S. and P. van den Driessche. 2006. Stochastic epidemic models with a backward bifurcation. Mathematical Biosciences and Engineering. 3(3): 445458.
 McCormack, R. K. and L. J. S. Allen. 2007. Disease emergence in multihost epidemic models. Mathematical Medicine and Biology. 24: 1734.
 Ackleh, A. S., L. J. S. Allen, and J. Carter. 2007. Establishing a beachhead: A stochastic population model with an Allee effect applied to species invasion. Theoretical Population Biology. 71: 290300.
 McCormack R. K. and L. J. S. Allen. 2007. Multipatch deterministic and stochastic models for wildlife diseases. Journal of Biological Dynamics. 1(1): 6385.
 Allen, L. J. S., B. M. Bolker, Y. Lou, and A. L. Nevai. 2007.Asymptotic profiles of the steady states for an
SIS epidemic patch model. SIAM Journal of Applied Mathematics. 67(5): 12831309.
 Xu, Y., L. J. S. Allen, and A. S. Perelson. 2007. A Stochastic model of an influenza epidemic with drug resistance. Journal of Theoretical Biology. 248: 179193.
 Allen, L. J. S., B. M. Bolker, Y. Lou, and A. L. Nevai. 2008. Asymptotic profiles of the steady states for an
SIS epidemic reactiondiffusion model. Discrete and Continuous Dynamical SystemsA 21(1): 120.
 Allen, E. J., L. J. S. Allen, A. Arciniega, and P. Greenwood. 2008. Construction of equivalent stochastic differential equation models. Stochastic Analysis and Applications. 26: 274297.
 Allen, L. J. S. and P. van den Driessche. 2008. The basic reproduction number in some discretetime epidemic models. Journal of Difference Equations and Applications. 14: 11271147.
 Banerjee, C., L. J. S. Allen, and J. SalazarBravo. 2008. Models for an arenavirus infection in a rodent population: consequences of horizontal, vertical and sexual transmission. Mathematical Biosciences and Engineering. 5: 617645.
 Wesley, C. L., L. J. S. Allen, C. B. Jonsson, Y.K. Chu, and R. D. Owen. 2009. A discretetime rodenthantavirus model structured by infection and developmental stages. Proceedings of the Intenational Conference on Difference Equations and Applications. July 2428, 2006, Kyoto, Japan. Advanced Studies in Pure Mathematics 53: 112.
 Allen, L. J. S., Y. Lou, and A. L. Nevai. 2009. Spatial patterns in a discretetime SIS patch model. Journal of Mathematical Biology. 58: 339375
 Ekanayake, A. J., JS. Tsai, L. J. S. Allen, L. M. Smith, J. Surles, and E. J. Allen. 2009. Estimating watershed area for playas in the Southern High Plains, USA. Wetlands. 29: 387395.
 Wesley, C. L. and L. J. S. Allen. 2009. The basic reproduction number in epidemic models with periodic demographics. Journal of Biological Dynamics. 3: 116129.
 Allen, L. J. S. , C. L. Wesley, R. D. Owen, D. G. Goodin, D. Koch, C. B. Jonsson, Y.K. Chu, S.
Hutchinson, and R. Paige. 2009. A habitatbased model for the spread of hantavirus between reservoir
and spillover species. Journal of Theoretical Biology. 260: 510522.
 Wesley, C. L., L. J. S. Allen and M. Langlais. 2010. Models for the spread and persistence of hantavirus
infection in rodents with direct and indirect transmission. Mathematical Biosciences and Engineering. 7:
195211.
 Ekanayake, A. J. and L. J. S. Allen. 2010. Comparison of Markov chain and stochastic differential equation population models under higherorder moment closure approximations. Stochastic Analysis and Applications. 28: 907927.
 Erickson, R. A., S. M. Presley, L. J. S. Allen, K. R. Long, and S. B. Cox. 2010. A stagestructured, Aedes
albopictus population model. Ecological Modelling 221: 12731282.
 Erickson, R. A., S. M. Presley, L. J. S. Allen, K. R. Long, and S. B. Cox. 2010. A dengue model with a dynamic
Aedes albopictus vector population. Ecological Modelling. 221: 28992908.
 Mallawa Arachchi, D. K., L. J. S. Allen, and C. Carey. 2011. Stability and permanence in gender and
stagestructured population models for the boreal toad. Journal of Biological Dynamics. 5: 126.
 Yuan, Y. and L. J. S. Allen. 2011. Stochastic models for virus and immune system dynamics. Mathematical Biosciences. 234: 8494.
 Allen, L. J. S., V. L. Brown, C. B. Jonsson, S. L. Klein, S. M. Laverty, K. Magwedere, J. C. Owen and P. van den Driessche. 2012. Mathematical modeling of viral zoonoses in wildlife. Natural Resource Modelling. 25 (102): 551.
 Allen, L. J. S. and G. E. Lahodny Jr. 2012. Extinction thresholds in deterministic and stochastic epidemic models. Journal of Biological Dynamics. 6(2): 590611.
 Erickson, R.A., K. Hayhoe, S. M. Presley, L. J. S. Allen, K. R. Long, and S. B. Cox. 2012. Potential impacts of climate
change on the ecology of dengue and its mosquito vector the Asian tiger mosquito (Aedes albopictus). Environ. Res. Lett. 7, 034003 (6pp).
 Allen, L. J. S. and V. A. Bokil. 2012. Stochastic models for competing species with a shared pathogen.
Mathematical Biosciences and Engineering. 9: 461485.
 Vidurupola, S. and L. J. S. Allen. 2012. Basic stochastic models for viral infection within a host. Mathematical Biosciences and Engineering. 9: 915935.
 Allen, L. J. S. and P. van den Driessche. 2013. Relations between deterministic and stochastic thresholds for disease extinction in continuous and discretetime infectious disease models. Mathematical Biosciences 243: 99108.
 Lahodny, Jr., G. E. and L. J. S. Allen. 2013. Probability of a disease outbreak in stochastic multipatch epidemic models. Bulletin of Mathematical Biology. 75:11571180.
 X. Wang, R. Gautam,
P. J. Pinedo, L. J. S. Allen, and R.
Ivanek. 2014. A stochastic model for transmission, extinction and
outbreak of Escherichia coli O157:H7 in cattle as
affected by ambient temperature and pathogen
cleaning practices. Journal of Mathematical Biology. In press.
 Mandal, P. S., L. J. S. Allen and M. Banerjee. 2014. Stochastic modeling of phytoplankton allelopathy.
Applied Mathematical Modelling. In press.
 Allen, L. J. S. and V. L. Kocic. 2014. Resonance in BevertonHolt population models with periodic and
random coefficients. Journal of Difference Equations and Applications. In press.
 Vidurupola, S. and L. J. S. Allen. 2014. The Impact of Variability in Stochastic Models of BacteriaPhage Dynamics Applicable to Phage Therapy. Stochastic Analysis and Applications. In press.
Referee and Review Activities
 Book Reviews
 Book Review of Modelling Biological Populations in Space and
Time, Cambridge
Studies in Mathematical Biology, Cambridge University Press, by
Renshaw,
Mathematical Biosciences. 127: 123126 (1995).
 Book Review of Mathematics in Population Biology. Princeton University Press, by Horst R. Thieme,
SIAM Review. 46: 356358 (2004).
 Book Review of Chaos In Ecology Experimental Nonlinear Dynamics. Academic Press, by
Cushing, Constantino, Dennis, Desharnais, and Henson, Journal of Difference Equations and Applications. 13(1): 9394 (2007).
 Book Review of A Course in Mathematical Biology: Quantitative Modeling with Mathematical and Computational Methods by de Vries, Hillen, Lewis, Muller, and Schonfisch. SIAM, Philadelphia, 2006. SIAM Review. 49(2): 329331 (2007).
 Book Review of Workshop on Branching Processes and Their Applications, edited by Gonzalez Velasco, Puerto, Martinez, Molina, Mota, and Ramos. Lecture Notes in Statistics, Springer, Vol. 197, 2010. Journal of the American Statistical Association Reviews. To appear.
 Referee for the following journals:
 American Journal of Epidemiology
 American Midland Naturalist
 American Naturalist
 Applied Mathematics Letters
 Biotropica
 Canadian Applied Mathematics Quarterly
 Communications in Applied Analysis
 Computers & Mathematics with Applications
 Discrete and Continuous Dynamical SystemsSeries B
 Ecological Applications
 Ecological Modelling
 Ecology/Ecological Monographs
 European Physical Journal B
 Evolution
 Field Institute Communications Series
 Frontiers in Ecology and the Environment
 IEEE Transactions on Automatic Control
 Indian Journal of Pure and Applied Mathematics
 International Journal of Mathematics and Mathematical Sciences
 Journal of Difference Equations and Applications
 Journal of Biological Dynamics
 Journal of Biological Systems
 Journal of Mathematical Analysis and Applications
 Journal of Mathematical Biology
 Journal of the Royal Society Interface
 Journal of Statistical Physics
 Journal of Theoretical Biology

Linear Algebra and Its Applications
 Mathematical Population Studies
 Mathematical Biosciences
 Mathematical Biosciences and Engineering
 Mathematical and Computer Modelling
 Natural Resource Modeling
 Nonlinear Analysis
 Proceedings of the Royal Society
 Rocky Mountain Journal of Mathematics
 SIAM Journal of Applied Mathematics
 Statistics in Medicine
 Stochastic Analysis and Applications
 Stochastic Models
 Theoretical Population Biology
 VectorBorne and Zoonotic Diseases
 Reviewed NSF proposals, 19942013.
 Reviewed book proposal for Gordon and Breach Publishers, Inc.,
1996.
 NSF/NIH Review Panels 199597, 20002012.
 CDC Review Panel, 2007.
 Reviewed proposals for the Natural Sciences and Engineering Research
Council of
Canada, 2000, 20062008,20112013.
 NSF Workshop on Quantitative and Integrative
Biology, San Diego State University, 2000.
 External Examiner for a Mathematics Ph.D. Dissertation: Makere
University, Uganda, 2001; Arizona State University, 2006.
 Reviewer for the Texas Higher Education Coordinating Board,
Minority Health Research and Education Grant Program, 2001.
 Expert Evaluator for the
Mathematics of Information Technology and Complex Systems of Canada, 2001, 2005, 2006, 2008.
Invited Seminars, Colloquia and Lecture Series
 North Carolina State University, April 1994.
 Trinity University, March 1996.
 New Mexico State University,
November 1997.
 Arizona State University, Tempe, AZ, February 1998.
 Baylor University, Waco, TX, March 1998.
 University of Tennessee, Knoxville, TN, October 2001.
 Texas Christian University, February 2002.
 University of Louisiana at Lafayette, October 2003.
 Purdue University, West Lafayette, IN, November 2004.
 Ohio State University, Columbus, OH, March 2006.
 Florida Gulf Coast University, March 2007.
 University of Nevada, Las Vegas, November 2007.
 Midwestern University, Wichita Falls, TX, May 2008.
 National Center
for Theoretical Sciences of the National Tsing
Hua University in Taiwan, An Intensive Course in Stochastic Processes
and Stochastic Differential Equations in Mathematical Biology, Hsinchu, Taiwan, August 2008.
 University of Texas at Arlington, November 2009.
 Oakland University, Rochester, MI, March 2010.
 Trinity University, San Antonio, TXApril 2010.
 University of Florida, Gainesville, Florida, February 2011.
 Universidade do Porto, Portugal, Mathematical Modeling of Infectious Diseases, Third Porto Meeting on Mathematics for Industry, Centro de Mathematica, April 2011.
 University of Nevada, Las Vegas, November 2011.
 Ohio State Univrsity, Columbus, OH, February, 2012.
 Southern Illinois University, Carbondale, IL, October 2012.
 Middle Tennessee State University, Murfreesboro, TN, March 2013.
Professional Conference and Workshop Presentations
 SEASSIAM Meeting, Columbia, South Carolina, April 1978.
 SEASSIAM Meeting, Atlanta, Georgia, April 1981.
 Southeast Mathematical Ecology Conference, Knoxville, Tennessee,
April 1984.
 National SIAM Meeting, Tempe, Arizona, October 1985.
 Symposium on Population Modeling and Ecology of Playa Lakes, Texas
Tech U., May 1986.
 Southeast Mathematical Ecology Conference, Charleston, South
Carolina, April 1987.
 National SIAM Meeting, Minneapolis, Minnesota, July 1988.
 Southeast Mathematical Ecology Conference, Wakulla Springs,
Florida, March 1989.
 Texas Section Meeting of the MAA, Denton, Texas, March 1990.
 Symposium on Statistical Methods for Evaluation of Intervention
and
Prevention Strategies, CDC, Atlanta, Georgia, December 1990.
 Biometric Society ENAR Spring Meeting, Houston, Texas, March
1991.
 Texas Section Meeting of the MAA, Houston, Texas, April 1992.
 World Congress of Nonlinear Analysts. Tampa, Florida, August 1992.
 Texas Section Meeting of the MAA, Abilene, Texas, April 1993.
Plenary Address.
 Annual Southeastern Mathematical and Statistical Ecology
Conference. Raleigh, North Carolina,
April 1994.
 Symposium on Mathematics and Medicine. Texas Tech U. Health
Sciences Center. Lubbock,
Texas. April 1994.
 The First International Conference on Difference Equations.
Trinity U., San Antonio, Texas,
May 1994.
 Fourth Autumn Course on Mathematical Ecology. International
Center for Theoretical Physics,
Trieste, Italy, OctoberNovember 1994. Invited Lectures.
 Southwest Regional Institute on Mathematical Sciences (SWRIMS)
Conference on Modeling in
Population Dynamics. Utah State U., August 1995.
 Mathematics for Undergraduate Life Sciences Students. Iowa State
U., Ames, Iowa. May
1996.
 Mathematical Theory of Networks and Systems96. Washington U.,
St. Louis, Missouri. June
1996.
 47th Annual Conference on Diseases in Nature Transmissible to Man.
Texas Tech U. Health
Sciences Center, Lubbock, Texas. June 1997.
 MAA Short Course on Epidemiology Modeling, cosponsored by CDC,
Atlanta, Georgia. July 31August
1, 1997.
 International Conference on Differential Equations with
Applications to Biology. Halifax, Nova
Scotia. July 1997.
 AMS, Fall Western Sectional Meeting, Albuquerque, New Mexico.
November 1997.
 Mathematics of the Life Sciences. Texas Tech U., January 1998.
 Workshop on Heterogeneous Problems in Ecology and Epidemiology.
International Conference on
Mathematical Population Dynamics. Zakopane, Poland. June 1998.
 Joint Mathematics Meetings. AMS Special Section. San Antonio,
Texas. January 1999.
 Workshop participant at the Institute for Mathematics and Its
Applications, U. of
Minnesota, May, 1999.
 Workshop on Mathematical Epidemiology. Pacific Institute for the
Mathematical Sciences.
U. of British Columbia, Vancouver, Canada. July 1999. Principal Speaker.
 Fifth International Conference on Difference Equations, Univ. de
la Frontera, Temuco, Chile.
January 2000.
 Southeastern Sectional Meeting of the AMS. AMS Special Section.
Layfayette, Louisiana. April 2000.
 Third World Congress of Nonlinear Analysts 2000. Catania, Italy.
July 2000.
 Sixth SIAM Conference on Application of Dynamical Systems.
Snowbird, Utah. May 2001.
 DIMACS, Center for Discrete Mathematics & Theoretical Computer
Science, Summer School
Tutorial on Dynamic Models of Epidemiological Problems, Rutgers U., New
Jersey. June 2002.
 Annual Meeting of the Society for Mathematical Biology and
International Conference on Mathematics and Biology, U. of Tennessee,
Knoxville, July 2002.
 Minisymposium at the SIAM Conference on the Applications
of Dynamical Systems, May 2730, 2003.
 Joint AMS Central and
Western Section Meeting, Boulder, CO, October 24, 2003.
 Thirtythird Annual Lloyd Roeling/University of Louisiana at Lafayette Mathematics Conference,
October 2426, 2003.
 National Joint MAA/AMS Meeting in Phoenix, Arizona, January 710, 2004.
 MAA PREP Workshop: Mathematics Meets Biology: Epidemics, Data Fitting, and Chaos, University of Louisiana, Lafayette, May 2629, 2004, Invited Lecturer.
 PIMSMITACSMSRI Special Program on Infectious Diseases Summer School, Banff International Research Station, Alberta, Canada, June 1927, 2004, Invited Lecturer.
 9th International Conference on Difference Equations and Applications, University of Southern California, Los Angeles, CA, August 26, 2004, Plenary Speaker.
 SIAM Conference on Applications of Dynamical Systems, Snowbird Utah, May 2226, 2005.
 Mathematical Epidemiology Workshop, Banff International Research Station, Alberta, Canada, August 2025, 2005, Invited Lecturer.
 AMSMAA National Meeting, San Antonio, Texas, January 1215, 2006. Special session.
 Workshop on Mathematics in Biology and Medicine. Arizona State University. February 3, 2006.
 2006 Summer School on Mathematical Modeling of Infectious Diseases. York University and Fields Institute. Toronto, Canada. June 1020, 2006.
 SIAM Annual Meeting. Boston, MA. July 1014, 2006.
 International Conference on Difference Equations and Applications. Kyoto University, Kyoto, Japan. July 2428, 2006.
 AMS Sectional Meeting. Tuscon, Arizona, April 2122, 2007.
 Conference on Mathematical Modeling and Analysis of Populations in Biological Systems  In Honor of Jim Cushing. Tucson, Arizona, October 57, 2007.
 Workshop: Integrating Biological Applications in the Mathematics Curriculum,
Texas Section Meeting of the MAA, Tarleton State U, April 3, 2008.
 2008 Summer School on Mathematical Modeling of Infectious Diseases, University of Alberta, Edmonton, Canada, May 111, 2008, Invited Lecturer.
 WCNA2008, Orlando, Florida, July 29, 2008.
 2008 AMS Fall Southeastern Meeting, Huntsville, Alabama, October 2426, 2008.
 Differential Equations and Applications in Ecology and Epidemiology  in Honor of 60th Birthday of Horst R. Thieme. Purdue University, December 810, 2008.
 Workshop: Stochastic and deterministic spatial modeling in population dynamics. American Institute of Mathematics, Palo Alto, California, May 48, 2009. Invited.
 2009 Summer School on
The Mathematics of Invasions in Ecology and Epidemiology, Banff Centre, Alberta, Canada, May 1017, 2009. Invited Lecturer.
 24th Annual Shanks Lecture and Conference
Vanderbilt University,
May 1821, 2009. Plenary Speaker.
 2009 ChinaCanada Colloquium on Modeling of Infectious Diseases, Xi'an Jiaotong University, Shaanxi, People's Republic of China, September 2025, 2009. Plenary Speaker.
 SIAM Conference on Life Sciences, Pittsburg, Penn. July 1215, 2010.
 Symposium on Biomathematics and Ecology: Education and Research, Illinois State Univ, September 45, 2012. Keynote Speaker.
 AMS Special Session at JMM in New Orleans, January 6, 2011.
 NIMBioS Tutorial Stochastic Models with Biological Applications, University of Tennessee, Knoxville, March 1618, 2011.
 Banff International Research Station, Banff, Alberta, CA, July 48, 2011.
 MBINIMBioSCAMBAM Summer Graduate Program, Ohio State University, Columbus, OH, August 1, 2011.
 Mathematical Biology Workshop and IGTC Summit, University of Victoria, Canada, July 1416, 2011.
ICMA III, San Antonio, TX, October 79,2011. Plenary Speaker.
 Workshop: Stochastic Processes in Cell and Population Biology, MBI, Ohio State University, Columbus, OH, October 2428, 2011.
 Special Session at Joint Mathematics Meeting, Boston, MA, January 4, 2012.
 Progress on Difference Equations 2012, Virginia Commonwealth, University, Richmond, VA, May 1318, 2012, Plenary Speaker.
 MBINIMBioSCAMBAM Summer Graduate Program, Mathematical Biosciences Institute, Ohio State Univesity, Columbus, Ohio, June 1920, 2012.
 Summer School Course Instructor on Mathematics of Infectious Diseases, Mprime Centre for Disease Modelling at York University, May 1927, 2013.
 Society of Mathematical Biology Minisymposium, Disease Dynamics in Animal Populations, Arizona State University, June 1013, 2013.
 2013 Atlantic Association of Research in the Mathematical Sciences (AARMS) Summer School Lecturer, Stochastic Modeling with Applications in Biology, Memorial University of Newfoundland, CA, July 15August 9, 2013.
 2013 AARMS Mathematical Biology Workshop, Memorial University, St. John's, Newfoundland, CA, July 2729, 2013, Plenary Speaker.
Conference and Session Organizer
 Special session, Mathematical Theory
of Networks and Systems96,
St. Louis, Missouri, June 1996.
 Special session, Mathematics for the Life
Sciences, Lubbock, Texas, January,
1997.
 Scientific Committee, 2002 Annual Meeting of
the Society for Mathematical Biology and
International Conference on Mathematics and Biology, U. of Tennessee,
Knoxville, July, 2002.
 Special session in honor of T. G. Hallam, 2002 Annual Meeting of the Society for Mathematical Biology and
International Conference on Mathematics and Biology, U. of Tennessee, with A. Ackleh,
July, 2002.
 Special session, Joint AMS Central and Western Section Meeting, U. of Colorado,
Boulder, CO, with S. R. J. Jang,
October 24, 2003.
 Special session, AMS Central Section Meeting, Texas Tech U., with S.R.J. Jang and L.I. Roeger, April 810, 2005.
 Special session, AMSMAA National Meeting,
San Antonio, TX, with S.R.J. Jang and L.I. Roeger, January 1215, 2006.
 Special session, AMSMAA Joint Mathematics Meeting,
New Orleans, LA, with S. R.J. Jang and L.I. Roeger, January 2007.
 Conference, Over the Fence: Mathematicians and Biologists Talk about Bridging the Curricular Di
vide, Mathematical Biosciences Institute, The Ohio State University, with J. Galovich, S. Deckelman, and E.
Marschall, June 12, 2007.
 Special session, AMSMAA Joint Mathematics Meeting, San Diego, CA, with S.R.J. Jang and L.I. Roeger, January 2008.
 Special session, AMSMAA Joint Mathematics Meeting, San Francisco, CA, with S.R.J. Jang and L.I. Roeger, January 2010.
 NIMBioS Investigative Workshop: Mathematical Modeling of Wildlife and Viruses Zoonoses, University of Tennessee, Knoxville, with C. Jonsson and P. van den Driessche, November 810, 2010.
 Special Session, Joint Mathematics Meeting, New Orleans, with S. R. J. Jang and L. I. Roeger, January 2011.
 NIMBioS Tutorial on Stochastic Modeling in Biology, University of Tennessee, Knoxville with E. J. Allen and J. Xiong, March 1618, 2011.
 Workshop Organizing Committee for Workshop 4: Evolution and Spread of Disease, Mathematical Biosciences Institute, Ohio State University, Columbus,OH with S. Blower, S. Meleard and H. Wearing, March 1923, 2012
 Summer School Organizing Committee for 2012 MBINIMBioSCAMBAM Summer Graduate Program on STocahstics Applied to Biological Systems, Mathematical Biosciences Institute, Ohio State University, Columbus, OH with L. Marschall (chair), L Lubatko, S. Lenhart and L. Popovic, June 1829, 2012.
 The Fourth International Conference on
Mathematical Modeling and Analysis of
Populations in Biological Systems (ICMA IV), Texas Tech University, Chair of Organizing Committee with
E Allen, S Jang, B Ghosh, A Ibragimov, S Jang, N McIntyre, LI Roeger, R. Strauss, October 46, 2013.
 NIMBioS Investigative Workshop: ``Vector Transmission of Plant Viruses" with V. A. Bokil, E. T. Borer, A. G. Power and F. Van Den Bosch, March 1719, 2014.
 Special session, AMS Central Section Meeting, Texas Tech U., with V. A. Bokil, April 1113, 2014.
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