Výsledky vyhledávání - "Ramadas, T. R."

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Symplectic Geometry of character varieties and $SU(2)$ Lattice Gauge Theory I

Autor: Ramadas, T. R.

Publikováno v: Communications in Mathematical Physics (2024)

Given a finite connected graph $\Lambda$, the space of $SU(2)$ lattice gauge-fields on $\Lambda$, modulo gauge transformations, is a Lagrangian submanifold -- with mild singularities -- of the $SU(2)$ character variety (= phase-space of Chern-Simons

Externí odkaz: http://arxiv.org/abs/2206.07455

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Rational and global forms of certain Chiral Conformal Field Theories; Vertex Algebras I

Autor: Ramadas, T. R.

We present explicit global constructions - avoiding power series - of certain chiral CFTs, including current algebras on the projective line. We outline an approach to vertex algebras, inspired by this construction. We construct natural pairings on s

Externí odkaz: http://arxiv.org/abs/1401.1969

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Akademický článek

Symplectic Geometry of Character Varieties and SU(2) Lattice Gauge Theory I.

Autor: Ramadas, T. R.

Publikováno v: Communications in Mathematical Physics; Apr2024, Vol. 405 Issue 4, p1-36, 36p

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Parabolic bundles and representations of the fundamental group

Autor: Gomez, Tomas L., Ramadas, T. R.

Let X be as smooth complex projective variety with Neron-Severi group isomorphic to Z, and D an irreducible divisor with normal crossing singularities. Assume r is equal to 2 or 3. We prove that if the fundamental group of X doesn't have irreducible

Externí odkaz: http://arxiv.org/abs/math/9912003

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