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Durham University

Research & business

Research lectures, seminars and events

The events listed in this area are research seminars, workshops and lectures hosted by Durham University departments and research institutes. If you are not a member of the University, but  wish to enquire about attending one of the events please contact the organiser or host department.


 

Pure Maths Colloquium: What’s in a tropical curve?

Presented by Dhruv Ranganathan, University of Cambridge
18 November 2019 13:00 in CM101

Tropical curves are combinatorial objects, essentially decorated graphs, that appear as limiting objects of families of Riemann surfaces. Additional structure on Riemann surfaces are reflected in beautiful and subtle combinatorial features on the graphical side. For instance, features of the complex function theory, moduli theory, and enumerative geometry of curves all manifest themselves on the combinatorial side. The result is a rich network of conjectures and predictions, many of which have resulted in new theorems. I will give an introduction to this circle of ideas and outline some recent developments.

Contact jack.g.shotton@durham.ac.uk for more information