Stefan Geritz

Biomathematics Group
Department of Mathematics and Statistics
University of Helsinki

Address:
P.O. Box 68 (Gustaf Hällströmin katu 2b)
University of Helsinki, FIN-00014 Finland

Phone: +358-9-1915 1489
Fax: +358-9-1915 1400
Email: stefan.geritz (funny character) helsinki.fi

Member of the Finnish Centre of Excellence in Analysis and Dynamics Research

Research:
Biomathematics, in particular Adaptive dynamics, population dynamics and evolutionary games

Teaching:
»  Mathematical modelling  »  Modelling fluctuating populations  »  Evolution and the theory of games 
»  Adaptive dynamics  »  Biological and biomedical applications of partial differential equations

Teaching abroad:
»  Adaptive dynamics (Milan 2009)

»  Adaptive dynamics (Vienna 2007)

Papers:

Papers in international peer reviewed journals:
 
GERITZ, S.A.H., T.J. de Jong & P.G.L. Klinkhamer. 1984. The efficacy of dispersal in relation to safe-site area and seed production. Oecologia 62: 219-221.

GERITZ, S.A.H., J.A.J. Metz, P.G.L. Klinkhamer & T.J. de Jong. 1988. Competition in safe-sites. Theoretical Population Biology 33: 161-180.    Full text pdf

De Jong, T.J., P.G.L. Klinkhamer, S.A.H. GERITZ & E. van der Meijden. 1989. Why biennials delay flowering: An optimisation model and field data on Cirsium vulgare and Cynoglossum officinale. Acta Botanica Neerlandica 38: 41-55. 

Metz, J.A.J., R.M. Nisbet & S.A.H. GERITZ. 1992. How should we define "fitness" for general ecological scenarios? Trends in Ecology and Evolution 7: 198-202.    Full text pdf

GERITZ, S.A.H. 1995. Evolutionarily stable seed polymorphism and small-scale spatial variation in seedling density. American Naturalist 146: 685-707.    Full text pdf

GERITZ, S.A.H., J.A.J. Metz, É. Kisdi & G. Meszéna. 1997. The dynamics of adaptation and evolutionary branching. Physical Review Letters 78: 2024-2027.      Full text pdf

Meszéna, G., I. Czibula & S.A.H. GERITZ. 1997. Adaptive dynamics in a 2-patch environment: a toy model for allopatric and parapatric speciation. Journal of Biological Systems 5: 265-284.   Full text pdf

GERITZ, S.A.H., É. Kisdi, G. Meszéna & J.A.J. Metz. 1998. Evolutionarily singular strategies and the adaptive growth and branching of the evolutionary tree. Evolutionary Ecology 12: 35-57.   Full text pdf

GERITZ, S.A.H. 1998. Coevolution of seed size and seed predation. Evolutionary Ecology 12: 891-911.   Full text pdf

GERITZ, S.A.H., E. van der Meijden & J.A.J. Metz. 1999. Evolutionary dynamics of seed size and seedling competitive ability. Theoretical Population Biology 55: 324-343.   Full text pdf

Kisdi, É. & S. A. H. GERITZ. 1999. Adaptive dynamics in allele space: Evolution of genetic polymorphism by small mutations in a heterogeneous environment. Evolution 53: 993-1008.   Full text pdf

GERITZ, S.A.H. & É. Kisdi. 2000. Adaptive dynamics in diploid sexual populations and the evolution of reproductive isolation. Proceedings of the Royal Society of London B 267: 1671-1678.   Full text pdf

Meszéna, G., É. Kisdi, U. Dieckmann, S.A.H. GERITZ & J.A.J. Metz. 2001. Evolutionary optimisation models and matrix games in the unified perspective of adaptive dynamics. Selection 2: 193-210.   Full text pdf

Kisdi, É., F.J.A. Jacobs & S.A.H. GERITZ.  2001. Red Queen evolution by cycles of evolutionary branching and extinction. Selection 2: 161-178.   Full text pdf


Kisdi, É. & S.A.H. GERITZ.  2001. Evolutionary disarmament in interspecific competition. Proceedings of the Royal Society of London B 268: 2589-2594.   Full text pdf

GERITZ, S.A.H., M. Gyllenberg, F.J.A. Jacobs & K. Parvinen. (2002). Invasion dynamics and attractor inheritance. Journal of Mathematical Biology 44: 548-560.   Full text pdf

Kisdi, É. & S.A.H. GERITZ.  2003 On the coexistence of perennial plants by the competition-colonization trade-off. American Naturalist 161: 350-354.   Full text pdf

Bowers, R.G., A. White, M. Boots, S.A.H. GERITZ & É. Kisdi. 2003. Evolutionary branching/speciation: contrasting results from systems with explicit or emergent carrying capacities. Evolutionary Ecology Research 5: 883-891.   Full text pdf

Kisdi, É. & S.A.H. GERITZ.  2003. Competition-colonization trade-off between perennial plants: Exclusion of the rare species, hysteresis effects, and the robustness of coexistence under replacement competition. Evolutionary Ecology Research 5: 529-548.   Full text pdf

GERITZ, S.A.H. & É. Kisdi. 2004. On the mechanistic underpinning of discrete-time population models with complex dynamics. Journal of Theoretical Biology 228: 261-269.   Full text pdf

GERITZ, S.A.H. 2005. Resident-invader dynamics and the coexistence of similar strategies. Journal of Mathematical Biology 50: 67-82.   Full text pdf

GERITZ, .A.H. & M. Gyllenberg. 2005. Seven answers from adaptive dynamics. Journal of Evolutionary Biology 18: 1174-1177.   Full text pdf

GERITZ,  S.A.H., M. Gyllenberg & P. Yan. 2005. Plant growth and the optimal sharing of photosynthetic products with a mycorrhizal symbiont.   Evolutionary Ecology Research 8: 577-590.   Full text pdf

Nurmi, T., S.A.H. GERITZ, K. Parvinen & M. Gyllenberg. 2008. Evolution of specialization in resource utilization in structured metapopulations. Journal of Biological Dynamics 2: 297-322.

Eskola, T.M. & S.A.H. GERITZ. 2007. On the derivation of discrete-time population models by varying within-season patterns of reproduction and aggression. Bulletin of Mathematical Biology 69: 329–346.

GERITZ, S.A.H., É. Kisdi & P. Yan. 2007. Evolutionary branching and long-term coexistence of cycling predators: Critical function analysis. Theoretical Population Biology 71: 424–435.

Boldin, B., S.A.H. GERITZ & É. Kisdi. 2009. Superinfections and adaptive dynamics of pathogen virulence revisited: A critical function analysis. Evolutionary Ecology Research 11: 153-175.

GERITZ S.A.H., M. Gyllenberg & P. Ondracek. 2009. Evolution of density-dependent dispersal in a structured metapopulation. Mathematical Biosciences 219: 142-148.

Kisdi É., S.A.H. GERITZ S.A.H. Adaptive dynamics: A framework to model evolution in the ecological theatre. J. Math. Biol., Perspectives in Mathematical Biology (in press).

Contributions to edited volumes:

Metz, J.A.J., S.A.H. GERITZ, G. Meszéna, F.J.A. Jacobs, & J.S. van Heerwaarden. 1996. Adaptive dynamics: A geometrical study of the consequences of nearly faithfull reproduction. In: S.J. van Strien & S.M. Verduyn-Lunel (eds.) Stochastic and spatial structures of dynamical systems. North Holland, Elsevier, pp. 183-231.   Full text pdf

GERITZ, S.A.H. & R.I. Gál. 2003. A theory of endogenous preference adaptation. In: R.I. Gal & Z. Szanto (eds.). The theory of action and social research. Osiris, Budapest, pp. 48-68. (In Hungarian)

GERITZ, S.A.H., É. Kisdi, G. Meszéna, & J.A.J. Metz. 2004. Adaptive dynamics of speciation: ecological underpinnings. In: U. Dieckmann, J.A.J. Metz, M. Doebeli & D. Tautz (eds.). Adaptive speciation. Cambridge University Press, Cambridge, pp. 54-75.   Full text pdf

Kisdi, É. & S. A. H. GERITZ (in press). Evolutionary branching and sympatric speciation in diploid populations. In: U. Dieckmann & J. A. J. Metz (eds.). Adaptive Dynamics in Context. Cambridge University Press, Cambridge.

GERITZ, S.A.H. & É. Kisdi (in press). Adaptive dynamics and evolutionary branching in mutation-limited evolution. In: U. Dieckmann & J.A.J. Metz (eds.). Adaptive Dynamics in Context. Cambridge University Press, Cambridge.

PhD Thesis:

GERITZ, S.A.H. 1998. The evolutionary significance of variation in seed size. Ph.D. Thesis in Biomathematics, University of Leiden, The Netherlands.