Christopher X J. Jensen
Associate Professor, Pratt Institute

Evolution 2014: Day 0

Posted 20 Jun 2014 / 0

I started off this year’s Evolution meeting early. The conference is — at its core —  a four-day affair. But the days leading into the “official” start on Friday evening feature larger workshops aimed at building skills. I chose to attend the Experiencing Evolution workshop. Here’s what this session promised: Evolution is a key biological concept, Read More

A Major Post, Adaptation, Assessment Methods, Behavior, Coevolution, Competition, Conferences, Cooperation, Evolution, Evolution Education, Evolutionary Modeling, Genetics, Grants & Funding, Higher Education, Individual-based Models, Lesson Ideas, Multilevel Selection, Natural Selection, Phylogenetics, Population Genetics, Population Growth, Predation, Reproductive Fitness, Science in Art & Design, Sex and Reproduction, Society for the Study of Evolution, Talks & Seminars, Teaching, Teaching Tools

How understanding social evolution might help treat cancer

Posted 29 Jan 2014 / 0

The information sharing issue is really interesting here: in some sense, the medical field has the most detailed organismal knowledge available for any species, and evolutionary biologists are generally not that aware of the depth of what is known about the functions of the human body. Although I think that evolutionists have a lot to Read More

A Minor Post, Cooperation, Evolutionary Modeling, Health & Medicine, Individual-based Models, Talks & Seminars

Ethnocentric cooperation dominates humanitarian cooperation in the computer… so why does humanitarianism persist?

Posted 23 Aug 2013 / 2

Journal of Artificial Societies and Social Simulation “The Evolutionary Dominance of Ethnocentric Cooperation” Human beings are not always (or completely) engulfed in a war of tribe against tribe. In other words, we are not strictly “ethnocentric” in our cooperation: we are willing to cooperate with those not directly identified as our “in group”. This modeling Read More

A Minor Post, Cooperation, Individual-based Models, Kin Selection

Zero determinant strategy is just another short-term adaptation

Posted 15 Aug 2013 / 0

The Scientist “A Twist in Evolutionary Game Theory: Biologists demonstrate the instability of employing a selfish strategy in the prisoner’s dilemma game” Nature Communications “Evolutionary instability of zero-determinant strategies demonstrates that winning is not everything” I am so glad to see that someone did the math and simulations to look at the long-term stability of Read More

A Minor Post, Adaptation, Articles, Behavior, Coevolution, Cooperation, Evolutionary Modeling, Game Theory, Individual-based Models, Phenotypic Plasticity, Punishment, Reciprocity, System Stability

Working on a VUE concept map of the fieldTest simulation

Posted 22 Jun 2013 / 0

Jennifer Verdolin, Dylan Moore, and I created the fieldTest simulator several years ago. This individual-based simulation allows virtual animals with the potential to form social groups that defend territories to interact on landscapes containing different patterns and abundances of resources, and is part of my larger research into group territorial behavior. We presented our results at the 2009 Read More

A Major Post, Behavioral Ecology, Competition, Concept Mapping, Department of Mathematics & Science, Ecological Modeling, Group Territorial Behavior, Individual-based Models, Information Design, Spatially Explicit Modeling

My review of Railsback and Grimm’s “Agent-based and individual-based modeling” textbook published in Ecology

Posted 22 Mar 2013 / 2

I am excited by the recent publication of my review of Agent-based and individual-based modeling: a practical introduction in the January issue of Ecology. The review, entitled “Individual-based modeling for the masses“, lauds this valuable textbook designed to support individual-based modeling courses. I expect the combination of this text and the very valuable NetLogo modeling Read More

A Major Post, Ecological Modeling, Individual-based Models, My publications, Spatially Explicit Modeling

Agent-based modeling instead of game theory: I agree!

Posted 20 Sep 2012 / 0

The Society Pages “Progressing from game theory to agent based modelling to simulate social emergence” This is a nice albeit pretty choppy explanation for why we should not listen to orthodox/traditional game theorists. The only argument I see missing here is that game theory relies on the assumption of a well-mixed population: even the Prisoner’s Read More

A Minor Post, Cooperation, Emergence, Evolutionary Modeling, Game Theory, Individual-based Models, Spatially Explicit Modeling, Web

ESA 2012 Thursday afternoon talks

Posted 10 Aug 2012 / 0

I spent Thursday afternoon once again hustling from one talk to another, with Organized Oral Session #47 (Universal Senescence? New Theories and Experimental Approaches Across the Tree of Life) being my primary focus. The writings of George C. Williams and his ingenious antagonistic pleiotropy hypothesis explaining aging have always fascinated me. Like a lot of Read More

A Major Post, Behavior, Conferences, Ecological Modeling, Ecological Society of America, Ecosystem Services, Freshwater Ecosystems, Individual-based Models, Parasitism, Phenotypic Plasticity, Ponds & Lakes, Predation, Senescence, Spatially Explicit Modeling, Sustainable Agriculture, Talks & Seminars, Tropical Forest

ESA 2012 Workshop #8, Getting off the Ground with Individual-Based Modeling: A Primer for Instructors and Researchers

Posted 05 Aug 2012 / 0

I got off to a running start at this year’s Ecological Society of America (ESA) annual meeting with a workshop orchestrated by Steven Railsback and Volker Grimm. Entitled “Getting off the Ground with Individual-Based Modeling: A Primer for Instructors and Researchers“, the workshop was a practical introduction to the material provided in their new textbook Agent-Based Read More

A Major Post, Conferences, Ecological Modeling, Ecological Society of America, Individual-based Models, Spatially Explicit Modeling, Talks & Seminars

I am finally diving into NetLogo!

Posted 15 Jul 2012 / 0

NetLogo I am reading the new-ish Railsback and Grimm book Agent-Based and Individual-Based Modeling: A Practical Introduction, and this book is finally compelling me to learn NetLogo. I am pretty excited about its potential for teaching and curious about whether I can use it for research.

A Minor Post, Evolutionary Modeling, Individual-based Models, Spatially Explicit Modeling