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Seminar
Speaker
Akhila Sadanandan (Indian Institute Of Technology Madras)
Date & Time
Mon, 09 March 2026, 15:30 to 17:00
Venue
Online
Resources
Abstract

The holomorphic modular bootstrap for classifying Rational Conformal Field Theories(RCFT) can be done using the Modular Linear Differential Equation (MLDE) and Vector Valued Modular Form (VVMF) approaches. I will explain MLDEs and how we can solve MLDEs with up to one accessory parameter and Wronskian index <6 to obtain admissible solutions.  Further, I show how the modular S-matrix can be obtained numerically within the MLDE framework and how it leads to an exact expression. Using a combination of Hecke operators, GHM duality, Involutive duality and/or the known S-matrix, we will fix an ambiguity in degeneracy in the MLDE solution. In the VVMF perspective, quasi-characters, which arise as  solutions to a matrix MLDE, are used to construct new admissible solutions with Wronskian index >=6. We show that these multiple perspectives provide a systematic framework to construct admissible solutions with up to six characters and arbitrary Wronskian index.

Zoom link: https://icts-res-in.zoom.us/j/88092766911?pwd=R3ZrVk9yeW96ZmQ4ZG9KRzVhenRKZz09
Meeting ID: 880 9276 6911
Passcode: 232322