Zobrazeno 1 - 10 of 231 pro vyhledávání: '"Ahsan, Z."'
1
Report
On the Algebra of the Infrared with Twisted Masses
Autor: Khan, Ahsan Z., Moore, Gregory W.
The Algebra of the Infrared \cite{Gaiotto:2015aoa} is a framework to construct local observables, interfaces, and categories of supersymmetric boundary conditions of massive $\mathcal{N}=(2,2)$ theories in two dimensions by using information only abo
Externí odkaz: http://arxiv.org/abs/2408.08372
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2
Report
On the $A_{\infty}$-Category of a Holomorphic Moment Map
Autor: Khan, Ahsan Z.
Let $M$ be a hyperK\"{a}hler manifold equipped with a $U(1)$ hyperK\"{a}hler isometry, and let $I$ be a complex structure on $M$. In this note, we study the $A_{\infty}$-category of A-branes for the Landau-Ginzburg model with target space $(M,I)$, an
Externí odkaz: http://arxiv.org/abs/2301.00343
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3
Report
Holomorphic Surface Defects in Four-Dimensional Chern-Simons Theory
Autor: Khan, Ahsan Z.
We derive the framing anomaly of four-dimensional holomorphic-topological Chern-Simons theory formulated on the product of a topological surface and the complex plane. We show that the presence of this anomaly allows one to couple four-dimensional Ch
Externí odkaz: http://arxiv.org/abs/2209.07387
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4
Report
Categorical Wall-Crossing in Landau-Ginzburg Models
Autor: Khan, Ahsan Z., Moore, Gregory W.
We describe how categorical BPS data including chain complexes of solitons, CPT pairings, and interior amplitudes jump across a wall of marginal stability in two-dimensional $\mathcal{N}=(2,2)$ models. We show that our jump formulas hold if and only
Externí odkaz: http://arxiv.org/abs/2010.11837
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5
Report
Topological Field Theory Amplitudes for $A_{N-1}$ Fibration
Autor: Iqbal, Amer, Khan, Ahsan Z., Qureshi, Babar A., Shabbir, Khurram, Shehper, Ali
We study the partition function ${\cal N}=1$ 5D $U(N)$ gauge theory with $g$ adjoint hypermultiplets and show that for massless adjoint hypermultiplets it is equal to the partition function of a two dimensional topological field on a genus $g$ Rieman
Externí odkaz: http://arxiv.org/abs/1507.02662
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