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Existence and Non-Existence Results of Z2 Harmonic 1-Forms

[HYBRID WORKSHOP] New Four-Dimensional Gauge Theories October 24, 2022 - October 28, 2022

October 25, 2022 (02:00 PM PDT - 03:00 PM PDT)
Speaker(s): Siqi He (Academy of Mathematics and Systems Science)
Location: SLMath: Eisenbud Auditorium, Online/Virtual
Tags/Keywords
  • Z2 harmonic 1-forms

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Existence And Non-Existence Results Of Z2 Harmonic 1-Forms

Abstract

Z2 harmonic 1-forms was introduced by Taubes as the boundary appearing in the compactification of the moduli space of flat SL(2,C) connections. Although from gauge theory aspect, Z2 harmonic 1-forms should exist widely, it is challenging to explicitly construct examples of them. Besides the curvature condition, there seems to have more obstruction of the existence of Z2 harmonic 1-forms. In this talk, we will discuss a method to construct examples of Z2 harmonic 1-forms. We will also discuss the relationship between Z2 harmonic 1-forms and special Lagrangian geometry and present a non-existence result based on the work of Abouzaid-Imagi.

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Existence And Non-Existence Results Of Z2 Harmonic 1-Forms

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