Items where IIASA Author is "Sigmund, Karl"

Lee, J.-H., Iwasa, Y., Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393 & Sigmund, K. (2019). Social evolution leads to persistent corruption. Proceedings of the National Academy of Sciences 27, 13276-13281. 10.1073/pnas.1900078116.

Sigmund, K. (2017). Exact Thinking in Demented Times: The Vienna Circle and the Epic Quest for the Foundations of Science. Basic Books. ISBN 978-0465096954

Bednarik, P., Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393, Linnerooth-Bayer, J., Magnuszewski, P., Sigmund, K. & Thompson, M. (2017). Behavioral experiments reveal how risk perception and worldviews impact common-good governance. In: IIASA Institutional Evaluation 2017, 27 February-1 March 2017, IIASA, Laxenburg, Austria.

Sigmund, K. (2015). Institutions as Tools for Overcoming Social Dilemmas. In: Systems Analysis 2015 - A Conference in Celebration of Howard Raiffa, 11 -13 November, 2015, Laxenburg, Austria.

Hilbe, C., Traulsen, A. & Sigmund, K. (2015). Partners or rivals? Strategies for the iterated prisoner's dilemma. Games and Economic Behavior 92, 41-52. 10.1016/j.geb.2015.05.005.

Lee, J.-H., Sigmund, K., Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393 & Iwasa, Y. (2015). Games of corruption: How to suppress illegal logging. Journal of Theoretical Biology 367, 1-13. 10.1016/j.jtbi.2014.10.037.

Sigmund, K. & Michor, P. (2015). John Forbes Nash Jr. 1928–2015. International Mathematical News 228, 1-12.

Sigmund, K. (2015). Sie nannten sich Der Wiener Kreis - Exaktes Denken am Rand des Untergangs. Wiesbaden, Germany: Springer Spektrum. ISBN 978-3-658-08534-6 10.1007/978-3-658-08535-3.

Zhang, B., Li, C., De Silva, H., Bednarik, P. & Sigmund, K. (2014). The evolution of sanctioning institutions: An experimental approach to the social contract. Experimental Economics 17 (2), 285-303. 10.1007/s10683-013-9367-7.

Hilbe, C., Nowak, M.A. & Sigmund, K. (2013). Evolution of extortion in Iterated Prisoner's Dilemma games. Proceedings of the National Academy of Sciences 110 (17), 6913-6918. 10.1073/pnas.1214834110.

Hilbe, C., Nowak, M.A. & Sigmund, K. (2013). Evolution of extortion in Iterated Prisoner's Dilemma games. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-13-038

Sigmund, K. (2013). The basis of morality: Richard Alexander on indirect reciprocity. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-13-068

Zhang, B., Li, C., De Silva, H., Bednarik, P. & Sigmund, K. (2013). The evolution of sanctioning institutions: an experimental approach to the social contract. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-13-078

Frank, A.B., Goud Collins, M., Clegg, M., Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393, Kremenyuk, V.A., Kryazhimskiy, A.V., Linnerooth-Bayer, J., Levin, S.A., Lo, A., Ramalingam, B., Ramo, J., Roy, S., Saari, D., Shtauber, Z., Sigmund, K., Tepperman, J., Thurner, S., Yiwei, W. & von Winterfeldt, D. (2012). Security in the Age of Systemic Risk: Strategies, Tactics and Options for Dealing with Femtorisks and Beyond. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-12-010

Sigmund, K. (2012). Moral assessment in indirect reciprocity. Journal of Theoretical Biology, 25-30. 10.1016/j.jtbi.2011.03.024.

Sasaki, T. ORCID: https://orcid.org/0000-0002-4635-1389, Brännström, Å., Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393 & Sigmund, K. (2012). The take-it-or-leave-it option allows small penalties to overcome social dilemmas. Proceedings of the National Academy of Sciences 109 (4), 1165-1169. 10.1073/pnas.1115219109.

Sigmund, K. (2012). Emergence of sanctioning systems through social learning. In: Worlds Within Reach: From Science To Policy - IIASA 40th Anniversary Conference, 24-26 October 2012, Hofburg Congress Center, Vienna and IIASA, Laxenburg, Austria.

Sigmund, K. (2012). Emergence of the Social Contract. In: Worlds Within Reach: From Science To Policy - IIASA 40th Anniversary Conference, 24-26 October 2012, Hofburg Congress Center, Vienna and IIASA, Laxenburg, Austria.

Sigmund, K. & Hilbe, C. (2012). Game theory. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-12-069

Kaito, C., Sasaki, A. ORCID: https://orcid.org/0000-0003-3582-5865, Sigmund, K. & Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393 (2012). How localized information affects the evolution of indirect reciprocity. In: Worlds Within Reach: From Science To Policy - IIASA 40th Anniversary Conference, 24-26 October 2012, Hofburg Congress Center, Vienna and IIASA, Laxenburg, Austria.

Sigmund, K. (2012). Moral assessment moral hazard in indirect reciprocity. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-12-070

Sasaki, T. ORCID: https://orcid.org/0000-0002-4635-1389, Brännström, Å., Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393 & Sigmund, K. (2012). The take-it-or-leave-it option allows small penalties to overcome socila dilemmas. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-12-068

Sigmund, K., Hauert, C., Traulsen, A. & De Silva, H. (2011). Social control and the social contract: The emergence of sanctioning systems for collective action. Dynamic Games and Applications 1 (1), 149-171. 10.1007/s13235-010-0001-4.

Sigmund, K. (2010). Let's keep the debate focused. Nature 467 (7318), p. 920. 10.1038/467920e.

Hilbe, C. & Sigmund, K. (2010). Incentives and opportunism: From the carrot to the stick. Proceedings of the Royal Society B: Biological Sciences 277 (1693), 2427-2433. 10.1098/rspb.2010.0065.

Sigmund, K., De Silva, H., Traulsen, A. & Hauert, C. (2010). Social learning promotes institutions for governing the commons. Nature 466 (7308), 861-863. 10.1038/nature09203.

De Silva, H., Hauert, C., Traulsen, A. & Sigmund, K. (2010). Freedom, enforcement, and the social dilemma of strong altruism. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-10-028

Hilbe, C. & Sigmund, K. (2010). Incentives and opportunism: From the carrot to the stick. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-10-040

Sigmund, K., De Silva, H., Hauert, C. & Traulsen, A. (2010). Social learning promotes institutions for governing the commons. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-10-053

Uchida, S. & Sigmund, K. (2010). The competition of assessment rules for indirect reciprocity. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-10-054

De Silva, H., Hauert, C., Traulsen, A. & Sigmund, K. (2010). Freedom, enforcement, and the social dilemma of strong altruism. Journal of Evolutionary Economics 20 (2), 203-217. 10.1007/s00191-009-0162-8.

Uchida, S. & Sigmund, K. (2010). The competition of assessment rules for indirect reciprocity. Journal of Theoretical Biology 263 (1), 13-19. 10.1016/j.jtbi.2009.11.013.

Sigmund, K. (2010). The Calculus of Selfishness. NJ: Princeton University Press. ISBN 9781-4008-3225-5

Sigmund, K. (2009). The loitering presence of the rational actor. American Scientist 97 (6), 510-513. 10.1511/2009.81.510.

Traulsen, A., Hauert, C., De Silva, H., Nowak, M.A. & Sigmund, K. (2009). Exploration dynamics in evolutionary games. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-09-067

Sigmund, K. & De Silva, H. (2009). Public good games with incentives: The role of reputation. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-09-089

Sigmund, K. (2009). Sympathy and similarity: The evolutionary dynamics of cooperation. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-09-090

Sigmund, K. (2009). The bounds of reason and the joys of virtue. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-09-091

Sigmund, K. (2009). Sympathy and similarity: The evolutionary dynamics of cooperation. Proceedings of the National Academy of Sciences 106 (21), 8405-8406. 10.1073/pnas.0903947106.

Traulsen, A., Hauert, C., De Silva, H., Nowak, M.A. & Sigmund, K. (2009). Exploration dynamics in evolutionary games. Proceedings of the National Academy of Sciences 106 (3), 709-712. 10.1073/pnas.0808450106.

De Silva, H. & Sigmund, K. (2009). Public good games with incentives: The role of reputation. In: Games, Groups, and the Global Good. Eds. SA, Levin, Berlin: Springer-Verlag. ISBN 978-3-540-85435-7 10.1007/978-3-540-85436-4_5.

Senechal, M., Beham, B. & Sigmund, K. (2008). A short tale of two cities: Otto Schreier and the Hamburg-Vienna connection. Mathematical Intelligencer 30 (3), 27-35. 10.1007/BF02985376.

Hauert, C., Traulsen, A., De Silva, H., Nowak, M.A. & Sigmund, K. (2008). Public goods with punishment and abstaining in finite and infinite populations. Biological Theory 3 (2), 114-122. 10.1162/biot.2008.3.2.114.

Hauert, C., Traulsen, A., Brandt, H., Nowak, M.A. & Sigmund, K. (2007). The Emergence of Altruistic Punishment: Via Freedom to Enforcement. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-07-053

Nowak, M.A. & Sigmund, K. (2007). How Populations Cohere: Five Rules for Cooperation. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-07-052

Sigmund, K. (2007). Punish or Perish? Retaliation and Collaboration among Humans. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-07-054

Sigmund, K. (2007). Punish or perish? Retaliation and collaboration among humans. Trends in Ecology & Evolution 10.1016/j.tree.2007.06.012.

Hauert, C., Traulsen, A., Brandt, H., Nowak, M.A. & Sigmund, K. (2007). Via freedom to coercion: The emergence of costly punishment. Science 316 (5833), 1905-1907. 10.1126/science.1141588.

Nowak, M.A. & Sigmund, K. (2007). How populations cohere: Five rules for cooperation. In: Theoretical Ecology: Principles and Applications. Eds. May, R.M. & McLean, A., Oxford: Oxford University Press.

Brandt, H., Ohtsuki, H., Iwasa, Y. & Sigmund, K. (2007). A survey on indirect reciprocity. In: Mathematics for Ecology and Environmental Sciences. Eds. Takeuchi, Y., Iwasa, Y. & Sato, K., Berlin Heidelberg: Springer-Verlag. 10.1007/978-3-540-34428-5.

Brandt, H., Ohtsuki, H., Iwasa, Y. & Sigmund, K. (2006). A Survey on Indirect Reciprocity. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-06-065

Brandt, H. & Sigmund, K. (2006). The good, the bad and the discriminator - Errors in direct and indirect reciprocity. Journal of Theoretical Biology 239 (2), 183-194. 10.1016/j.jtbi.2005.08.045.

Brandt, H., Hauert, C. & Sigmund, K. (2006). Punishing and abstaining for public goods. Proceedings of the National Academy of Sciences 103 (2), 495-497. 10.1073/pnas.0507229103.

Nowak, M.A. & Sigmund, K. (2005). Evolution of Indirect Reciprocity. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-05-079

Brandt, H. & Sigmund, K. (2005). The Good, the Bad and the Discriminator - Errors in Direct and Indirect Reciprocity. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-05-070

Brandt, H. & Sigmund, K. (2005). Indirect Reciprocity, Image-Scoring and Moral Hazard. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-05-078

Sigmund, K. (2005). John Maynard Smith and Evolutionary Game Theory. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-05-076

Brandt, H. & Sigmund, K. (2005). Punishing and Abstaining for Public Goods. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-05-071

Nowak, M.A. & Sigmund, K. (2005). Evolution of indirect reciprocity. Nature 437 (7063), 1291-1298. 10.1038/nature04131.

Sigmund, K. (2005). John Maynard Smith and evolutionary game theory. Theoretical Population Biology 68 (1), 7-10. 10.1016/j.tpb.2004.10.002.

Sigmund, K. (2005). The man of the crowd. American Scientist 93 (3), 264-266.

Brandt, H. & Sigmund, K. (2005). Indirect reciprocity, image scoring, and moral hazard. Proceedings of the National Academy of Sciences 102 (7), 2666-2670. 10.1073/pnas.0407370102.

Hauert, C., Haiden, N. & Sigmund, K. (2004). The Dynamics of Public Goods. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-04-086

Brandt, H. & Sigmund, K. (2004). The Logic of Reprobation: Assessment and Action Rules for Indirect Reciprocation. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-04-085

Sigmund, K. (2004). Three's company when seeking unanimity. Proceedings of the National Academy of Sciences 101 (52), 17885-17886. 10.1073/pnas.0407824101.

Brandt, H. & Sigmund, K. (2004). The logic of reprobation: Assessment and action rules for indirect reciprocity. Journal of Theoretical Biology 231 (4), 475-486. 10.1016/j.jtbi.2004.06.032.

Sigmund, K. (2004). Play it again, John. Nature 431 (7008), 509-510. 10.1038/431509a.

Hauert, C., Haiden, N. & Sigmund, K. (2004). The dynamics of public goods. Discrete and Continuous Dynamical Systems - Series B 4 (3), 575-587. 10.3934/dcdsb.2004.4.575.

Sigmund, K. (2004). Q & A. Current Biology 14 (14), R541. 10.1016/j.cub.2004.07.003.

Sigmund, K. (2004). Failing phoenix: Tauber, Helly, and Viennese life insurance. Mathematical Intelligencer 26 (2), 21-33. 10.1007/BF02985648.

Nowak, M.A. & Sigmund, K. (2004). Evolutionary Dynamics of Biological Games. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-04-013

Sigmund, K. (2004). Kepler's conjecture. Mathematical Intelligencer 26 (1), 66-67. 10.1007/BF02985408.

Nowak, M.A. & Sigmund, K. (2004). Population dynamics in evolutionary ecology. In: Life Sciences for the 21st Century. Eds. Keinan, E., Schechter, I. & Sela, M., John Wiley & Sons. ISBN 978-3-527-30588-9

Nowak, M.A. & Sigmund, K. (2004). Evolutionary dynamics of biological games. Science 303 (5659), 793-799. 10.1126/science.1093411.

Sigmund, K. (2004). Kolmogorov et la dynamique des populations. In: L'Heritage de Kolmogorov en Mathematiques. Eds. Charpentier, E., Lesne, A. & Nikolki, N., Paris: Belin. ISBN 978-2-7011-3669-1

Sigmund, K. (2003). Die Ökonomie der Spiele: Zum 100. Geburtstag von John von Neumann. Neue Zürcher Zeitung

Hofbauer, J. & Sigmund, K. (2003). Evolutionary Game Dynamics. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-03-078

Henrich, J., Bowles, S., Boyd, R.T., Hopfensitz, A., Richerson, P.J., Sigmund, K., Smith, E.A., Weissing, F.J. & Young, H.P. (2003). The cultural and genetic evolution of human cooperation. In: Genetic and Cultural Evolution of Cooperation. Eds. Hammerstein, P., Cambridge: MIT Press. ISBN 0-262-08326-4

Hofbauer, J. & Sigmund, K. (2003). Evolutionary game dynamics. Bulletin of the American Mathematical Society 40 (4), 479-519. 10.1090/S0273-0979-03-00988-1.

Sigmund, K. (2003). Nachlese zu den 'Gödel-lectures'. Internationale Mathematische Nachrichten 193, 21-36.

Brandt, H., Hauert, C. & Sigmund, K. (2003). Punishment and reputation in spatial public goods games. Proceedings of the Royal Society B: Biological Sciences 270 (1519), 1099-1104. 10.1098/rspb.2003.2336.

Sigmund, K. (2003). "Was you ever bit by a dead bee?" - Evolutionary games and dominated strategies. Behavioral and Brain Sciences 26 (2), 175-176. 10.1017/S0140525X0345005X.

Nowak, M.A. & Sigmund, K. (2002). Bacterial game dynamics. Nature 418 (6894), 138-139. 10.1038/418138a.

Hauert, C., De Monte, S., Hofbauer, J. & Sigmund, K. (2002). Volunteering as Red Queen Mechanism for Co-operation in Public Goods Games. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-02-041

Hauert, C., De Monte, S., Hofbauer, J. & Sigmund, K. (2002). Volunteering as Red Queen mechanism for co-operation in public goods games. Science 296 (5570), 1129-1132. 10.1126/science.1070582.

Sigmund, K. & Hauert, C. (2002). Altruism. Current Biology 12 (8), R270-R272. 10.1016/S0960-9822(02)00797-2.

Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393, Metz, J.A.J., Sabelis, M.W. & Sigmund, K. (2002). Adaptive Dynamics of Infectious Diseases: In Pursuit of Virulence Management. Cambridge, UK: Cambridge University Press. ISBN 978-0-521-78165-7

Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393, Sigmund, K., Sabelis, M.W. & Metz, J.A.J. (2002). Adaptive dynamics of infectious diseases: Epilogue. In: Adaptive Dynamics of Infectious Diseases: In Pursuit of Virulence Management. Eds. Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393, Metz, J.A.J., Sabelis, M.W. & Sigmund, K., pp. 460-464 Cambridge, UK: Cambridge University Press. ISBN 978-0-521-78165-7 10.1017/CBO9780511525728.041.

Sigmund, K., Sabelis, M.W., Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393 & Metz, J.A.J. (2002). Adaptive dynamics of infectious diseases: Introduction. In: Adaptive Dynamics of Infectious Diseases: In Pursuit of Virulence Management. Eds. Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393, Metz, J.A.J., Sabelis, M.W. & Sigmund, K., pp. 1-6 Cambridge, UK: Cambridge University Press. ISBN 978-0-521-78165-7 10.1017/CBO9780511525728.002.

Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393 (2002). Adaptive dynamics of pathogen-host interactions. In: Adaptive Dynamics of Infectious Diseases: In Pursuit of Virulence Management. Eds. Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393, Metz, J.A.J., Sabelis, M.W. & Sigmund, K., Cambridge: Cambridge University Press. 10.1017/CBO9780511525728.006.

Sigmund, K. (2002). The Economics of Fairness. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-02-020

Nowak, M.A. & Sigmund, K. (2002). Super- and coinfection: The two extremes. In: Adaptive Dynamics of Infectious Diseases: In Pursuit of Virulence Management. Eds. Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393, Metz, J.A.J., Sabelis, M.W. & Sigmund, K., Cambridge: Cambridge University Press. 10.1017/CBO9780511525728.013.

Sabelis, M.W. & Metz, J.A.J. (2002). Taking stock: Relating theory to experiment. In: Adaptive Dynamics of Infectious Diseases: In Pursuit of Virulence Management. Eds. Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393, Metz, J.A.J., Sabelis, M.W. & Sigmund, K., Cambridge: Cambridge University Press. ISBN 0521022134 10.1017/CBO9780511525728.035.

Sigmund, K. (2002). William D. Hamilton's Work in Evolutionary Game Theory. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-02-019

Nowak, M.A. & Sigmund, K. (2002). Super- and Coinfection: The Two Extremes. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-02-008

Sigmund, K., Fehr, E. & Nowak, M.A. (2002). The economics of fair play. Scientific American 286 (1), 82-87.

Sigmund, K. & Nowak, M.A. (2001). Evolution - Tides of tolerance. Nature 414 (6862), 403-405. 10.1038/35106672.

Hauert, C., De Monte, S., Sigmund, K. & Hofbauer, J. (2001). Oscillations in Optional Public Good Games. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-01-036

Sigmund, K., Hauert, C. & Nowak, M.A. (2001). Reward and Punishment in Minigames. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-01-031

Sigmund, K., Hauert, C. & Nowak, M.A. (2001). Reward and punishment in minigames. Proceedings of the National Academy of Sciences 98 (19), 10757-10762. 10.1073/pnas.161155698.

Sigmund, K. (2001). Kepler in Eferding. Mathematical Intelligencer 23 (2), 47-51. 10.1007/BF03026627.

Sigmund, K. (2001). William D. Hamilton's work in evolutionary game theory. Theoretical Population Biology 59 (1), 3-6. 10.1006/tpbi.2000.1501.

Sigmund, Karl & Nowak, M. (2000). Evolution and social science. A tale of two selves. Science 290 (5493), 949-50.

Nowak, M.A., Page, K.M. & Sigmund, K. (2000). Fairness Versus Reason in the Ultimatum Game. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-00-057

Sigmund, K. & Nowak, M.A. (2000). A Tale of Two Selves. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-00-068

Page, K.M., Nowak, M.A. & Sigmund, K. (2000). The spatial ultimatum game. Proceedings of the Royal Society B: Biological Sciences 267 (1458), 2177-2182. 10.1098/rspb.2000.1266.

Sigmund, K. & Nowak, M.A. (2000). A tale of two selves. Science 290 (5493), 949-950. 10.1126/science.290.5493.949.

Sigmund, K. & Nowak, M.A. (2000). Playing for keeps. Science 290 (5490) 10.1126/science.290.5490.281.

Sigmund, K., Nowak, M.A. & Page, K.M. (2000). Fairness versus reason in the ultimatum game. Science 289 (5485), 1773-1775. 10.1126/science.289.5485.1773.

Nowak, M.A. & Sigmund, K. (2000). Games on grids. In: The Geometry of Ecological Interactions: Simplifying Spatial Complexity. Eds. Dieckmann, U. ORCID: https://orcid.org/0000-0001-7089-0393, Law, R. & 9, J.A.J. Metz, Cambridge: Cambridge University Press. ISBN 0521022096 10.1017/CBO9780511525537.010.

Sigmund, K. & Nowak, M.A. (2000). Shrewd investments. Science 288 (5467), 819-820. 10.1126/science.288.5467.819.

Sigmund, K. & Golland, L. (2000). Exact thought in a demented time: Karl Menger and his Viennese mathematical colloquium. Mathematical Intelligencer 22 (1), 34-45. 10.1007/BF03024445.

Nowak, M.A. & Sigmund, K. (1999). Games on Grids. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-99-038

Sigmund, K. & Nowak, M.A. (1999). Evolutionary game theory. Current Biology 9 (14), R503-R505. 10.1016/S0960-9822(99)80321-2.

Sigmund, K. (1999). Deviating from the line. Nature 400 (6740), 129-130. 10.1038/22041.

Posch, M., Pichler, A. & Sigmund, K. (1999). The efficiency of adapting aspiration levels. Proceedings of the Royal Society B: Biological Sciences 266 (1427), 1427-1435. 10.1098/rspb.1999.0797.

Nowak, M.A. & Sigmund, K. (1999). Phage-lift for game theory. Nature 398 (6726), 367-368. 10.1038/18761.

Sigmund, K. (1999). The social life of automata. In: Mathematical and Computational Biology: Computational Morphogenesis, Hierarchical Complexity, and Digital Evolution. Eds. Nehaniv, C.L., pp.133-146 (1999): American Mathematical Society.

Sigmund, K. (1998). Complex Adaptive Systems and the Evolution of Reciprocation. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-98-100

Nowak, M.A. & Sigmund, K. (1998). Darwin's Dynamik. Mitteilungen der DMV 6 (4), 37-44.

Posch, M., Pichler, A. & Sigmund, K. (1998). The Efficiency of Adapting Aspiration Levels. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-98-103

Sigmund, K. (1998). The Population Dynamics of Conflict and Cooperation. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-98-102

Jansen, V.A.A. & Sigmund, K. (1998). Shaken, Not Stirred: On Permanence in Ecological Communities. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-98-101

Jansen, V.A.A. & Sigmund, K. (1998). Shaken, not stirred: On permanence in ecological communities. Theoretical Population Biology 54 (3), 195-201. 10.1006/tpbi.1998.1384.

Sigmund, K. (1998). The Social Life of Automata. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-98-099

Sigmund, K. & Nowak, M.A. (1998). What two legs can learn from four legs. Nature 395 (6704), 760-76. 10.1038/27368.

Nowak, M.A. & Sigmund, K. (1998). The dynamics of indirect reciprocity. Journal of Theoretical Biology 194 (4), 561-574. 10.1006/jtbi.1998.0775.

Sigmund, K. (1998). Complex adaptive systems and the evolution of reciprocation. Ecosystems 1 (5), 444-448. 10.1007/s100219900039.

Nowak, M.A. & Sigmund, K. (1998). Evolution of indirect reciprocity by image scoring. Nature 393 (6685), 573-577. 10.1038/31225.

Nowak, M.A. & Sigmund, K. (1998). Evolution of Indirect Reciprocity by Image Scoring / The Dynamics of Indirect Reciprocity. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-98-040

Sigmund, K. & Szathmary, E. (1998). Biomathematics: Merging lines and emerging levels. Nature 392 (6675), 439-441. 10.1038/33020.

Hofbauer, J. & Sigmund, K. (1998). Evolutionary Games and Population Dynamics. Cambridge: Cambridge University Press. ISBN 9780521625708

Sigmund, K. (1998). Population dynamics of conflict and cooperation. Documenta Mathematica 3, 487-506.

Boerlijst, M.C., Nowak, M.A. & Sigmund, K. (1997). Equal Pay for all Prisoners / The Logic of Contrition. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-97-073

Boerlijst, M.C., Nowak, M.A. & Sigmund, K. (1997). Equal pay for all prisoners. The American Mathematical Monthly 104 (4), 303-305. 10.2307/2974578.

Boerlijst, M.C., Nowak, M.A. & Sigmund, K. (1997). The logic of contrition. Journal of Theoretical Biology 185 (3), 281-294. 10.1006/jtbi.1996.0326.

Sigmund, K. (1997). Automaten fuer wiederholte Spiele. Journal for Science of Research, 187-204.

Sigmund, K. (1997). Games evolution plays. In: New Aspects of Human Ethology. Eds. Schmitt, A., New York: Plenum Press. ISBN 0-306-456-958 10.1007/978-0-585-34289-4_4.

Sigmund, K. & Helmberg, G. (1996). Nestor of mathematicians: Leopold Vietoris turns 105. Mathematical Intelligencer 18 (4), 47-50. 10.1007/BF03026753.

Sigmund, K. & Nowak, M.A. (1996). The natural history of mutual aid. In: Wissenschaft als Kultur. Eds. Stadler, F., Heidelberg: Springer-Verlag. ISBN 3-211-82936-9

Sigmund, K. & Young, H.P. (1995). Introduction. Games and Economic Behavior 11 (2), 103-110. 10.1006/game.1995.1045.

Sigmund, K. & Nowak, M.A. (1995). Invasion dynamics of the finitely repeated Prisoner's Dilemma game. Games and Economic Behavior 11 (2), 364-390. 10.1006/game.1995.1055.

Nowak, M.A., May, R.M. & Sigmund, K. (1995). Antigenic oscillations and shifting immunodominance in HIV-1 infections. Nature 375 (6532), 606-611. 10.1038/375606a0.

Sigmund, K. (1995). Darwin's "circles of complexity": Assembling ecological communities. Complexity 1 (1), 40-44. 10.1002/cplx.6130010109.

Sigmund, K. & Schmetterer, L. (1995). Hans Hahn - Kurzbiographie. In: Hans Hahn Collected Works. Springer-Verlag: Vol. 1.

Sigmund, K. (1995). Hans Hahn and the foundational debate. In: The Foundational Debate Complexity and Constructivity in Mathematics and Physics. Eds. DePauli-Schimanovich, W., Köhler, E. & Stadler, F., pp. 235-245 Springer. ISBN 978-94-017-3327-4

May, R.M., Nowak, M.A. & Sigmund, K. (1995). Immune response against multiple epitopes. Journal of Theoretical Biology, 325-353.

Sigmund, K., Nowak, M.A. & May, R.M. (1995). The arithmetics of mutual help. Scientific American, 50-55.

Sigmund, K. (1995). A philosopher's mathematician: Hans Hahn and the Vienna Circle. Mathematical Intelligencer, 16-29.

Sigmund, K. & Nowak, M.A. (1994). The alternating prisoner's dilemma. Journal of Theoretical Biology 168 (2), 219-226. 10.1006/jtbi.1994.1101.

Sigmund, K. (1994). Cooperation in heterogeneous populations. In: Contributions to Mathematical Psychology, Psychometrics and Methodology. Eds. Fischer, G. & Laming, D., Heidelberg: Springer-Verlag.

Sigmund, K. (1994). Monomorphic and polymorphic populations. In: Mathematics Applied to Biology and Medicine. Eds. Capasso, V. & Demongeot, J., Ltd: Wuerz.

Gaunersdorfer, A., Hofbauer, J. & Sigmund, K. (1991). On the dynamics of asymmetric games. Theoretical Population Biology 39 (3), 345-357. 10.1016/0040-5809(91)90028-E.

Hofbauer, J. & Sigmund, K. (1990). Adaptive dynamics and evolutionary stability. Applied Mathematics Letters 3 (4), 75-79. 10.1016/0893-9659(90)90051-C.

Nowak, M. & Sigmund, K. (1990). The evolution of stochastic strategies in the Prisoner's Dilemma. Acta Applicandae Mathematicae 20 (3), 247-265. 10.1007/BF00049570.

Gaunersdorfer, A., Hofbauer, J. & Sigmund, K. (1989). The Dynamics of Asymmetric Games. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-89-071

Hofbauer, J. & Sigmund, K. (1989). On the Stabilizing Effect of Predators and Competitors on Ecological Communities. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-89-020

Kurzhanski, A.B. & Sigmund, K. (1989). Evolution and Control in Biological Systems. Dordrecht: Kluwer Academic Publishers. ISBN 978-94-009-2358-4

Kurzhanski, A.B. & Sigmund, K. (1989). Introduction. In: Evolution and Control in Biological Systems. pp. p. 1 Dordrecht, The Netherlands: Springer. ISBN 978-94-009-2358-4 10.1007/978-94-009-2358-4_1.

Nowak, M. & Sigmund, K. (1989). Oscillations in the evolution of reciprocity. Journal of Theoretical Biology 137 (1), 21-26. 10.1016/S0022-5193(89)80146-8.

Novak, M. & Sigmund, K. (1988). Game Dynamical Aspects of the Prisoner's Dilemma. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-88-125

Sigmund, K. (1987). Grade Dynamics, Mixed Strategies and Gradient Systems. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-87-021

Kurzhanski, A.B. & Sigmund, K. (1987). Dynamical Systems; Proceedings of an IIASA Workshop, Sopron, Hungary, September 9-13, 1985. Heidelberg: Springer-Verlag. ISBN 3-540-17698-5

Sigmund, Karl (1987). Game dynamics, mixed strategies, and gradient systems. Theoretical Population Biology 32 (1), 114-126. 10.1016/0040-5809(87)90043-8.

Koth., M. & Sigmund, K. (1987). Gradients for the evolution of bimatrix games. Journal of Mathematical Biology 25 (6), 623-635. 10.1007/BF00275498.

Hofbauer, J. & Sigmund, K. (1987). Permanence for replicator equations. In: Dynamical Systems. Eds. Kurzhanski, A.B. & Sigmund, K., pp. 70-91 Germany: Springer Berlin/Heidelberg. ISBN 978-3-662-00748-8 10.1007/978-3-662-00748-8_7.

Sigmund, K. (1987). A maximum principle for frequency dependent selection. Mathematical Biosciences 84 (2), 189-195. 10.1016/0025-5564(87)90091-5.

Aubin, J.-P., Saari, D.G. & Sigmund, K. (1985). Dynamics of Macrosystems; Proceedings of a Workshop, September 3-7, 1984. Heidelberg: Springer-Verlag. ISBN 3-540-15987-8

Demetrius, L., Schuster, P. & Sigmund, K. (1985). Polynucleotide evolution and branching processes. Bulletin of Mathematical Biology 47 (2), 239-262. 10.1007/BF02460034.

Saari, D.G. (1985). Random behavior in numerical analysis, decision theory, and Macrosystems: Some Impossibility Theorems. In: Dynamics of Macrosystems. Eds. Aubin, J.-P., Saari, D.G. & Sigmund, Karl, pp. 115-126 Berlin/Heidelberg, Germany: Springer. ISBN 978-3-662-00545-3 10.1007/978-3-662-00545-3_10.

Schuster, P. & Sigmund, K. (1985). Towards a dynamics of social behaviour: Strategic and genetic models for the evolution of animal conflicts. Journal of Social and Biological Systems 8 (3), 255-277. 10.1016/0140-1750(85)90070-3.

Demetrius, L., Schuster, P. & Sigmund, K. (1984). Polynucleotide Evolution and Branching Processes. IIASA Collaborative Paper. IIASA, Laxenburg, Austria: CP-84-036

Sigmund, K. (1984). The Maximum Principle for Replicator Equations. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-84-056

Sigmund, K. (1984). A Survey of Replicator Equations. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-84-057