Summer updates by Vishu Guttal: Teaching, travel, and talks

Its time for updates again!  Let me start with myself and will post separately on what students have been upto.

Teaching: In the Jan-April term, I taught the course EC 201, the introductory course on Theoretical and Mathematical Ecology. This was the fourth time that I was teaching this course, but one thing had been bothering me a lot: the course was becoming increasingly inaccessible to biology students (in particular, our own CES phd students). The reason was that once UG students of IISc who had much better math background began to take my course as an elective, the mathematical level of the course became too difficult for CES PhD students many of who come from Masters in Zoology/Botany/Wildlife biology programs where the emphasis on math is minimal to zero. I did not want to miss out either on the UG students so that they are exposed to cool ideas of mathematical ecology or the CES phd students who ought know basics of theoretical ecology. Based on various suggestions, I tried this new solution: which is to let UG students take my course only on alternate years.

So this year, I restricted the class to biology majors who have had little exposure to mathematics. The UG students of IISc were requested not to take the course this year (and they kindly obliged). I thought that this really helped the biology background students to learn at their pace — and they did really well. So I am going to keep this format for the future. Even years: the course is open for all. Odd years, the course is open only for non-math background students.

Travel:  In the second week of June, I went to visit my collaborator Dr Sonia Kefi at Montpellier, France to initiate collaboration on our Indo-French grant from IFCAM. We started off great on a project on spatial pattern formation that will be led by a member of Sonia’s group. Sonia and her team members will visit Bangalore in December and we hope to keep this on for several years!

Popular talk: I gave a couple of popular talks/workshops this summer. One was at Christ University, as a part of the initiative by National Network for Mathematical and Computational Biology (NNMCB) to reach out to local colleges and universities. I spoke about evolution and collective movement in animal groups.

Workshop: I then gave a set of lectures at NCBS at the Monsoon School on the Physics of Life. The audience here were basically a bunch of highly motivated kids from various parts of the country studying physics, math or engineering. The idea was to expose them to biology through the lens of mathematics. I started off showing a graph from Ives et al 2008 paper on how midge populations change over time, and how can we construct a mathematical theory of the same. At the end of four hours, students learnt all the way from building simple model of exponential growth to logistic models to constructing bifurcation diagrams for a consumer-resource model. They were all super delighted when they found that even small changes in external factors can lead to large changes in populations; mathematically, this is captured by saddle node bifurcations.


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