Positive Populations
Vadim Schechtman and Alexander Varchenko
Journal of Singularities
volume 20 (2020), 342-370
Received: 13 May 2020. Received in revised form: 3 October 2020
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Abstract:
A positive structure on the varieties of critical points of master functions for KZ equations is introduced. It comes as a combination of the ideas from classical works by G. Lusztig and a previous work by E. Mukhin and the second named author.
2010 Mathematical Subject Classification:
13F60 (14M15, 82B23)
Key words and phrases:
Totally positive matrices, Whitney-Lusztig charts, Wronskian differential equation, Wronski map, master functions, Bethe cells, positive populations
Author(s) information:
| Vadim Schechtman | Alexander Varchenko |
| Institut de Mathématiques de Toulouse | Department of Mathematics |
| Université Paul Sabatier | University of North Carolina at Chapel Hill |
| 118 Route de Narbonne | Chapel Hill, NC 27599-3250, USA |
| 31062 Toulouse, France | and |
| Faculty of Mathematics and Mechanics | |
| Lomonosov Moscow State University | |
| Leninskiye Gory 1 | |
| 119991 Moscow GSP-1, Russia | |
| email: schechtman@math.ups-tlse.fr | email: anv@email.unc.edu |
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