Results 111 to 120 of about 448,148 (200)

String topology: background and present state [PDF]

Current Developments in Mathematics, 2005
The data of a "2D field theory with a closed string compactification" is an equivariant chain level action of a cell decomposition of the union of all moduli spaces of punctured Riemann surfaces with each component compactified as a pseudomanifold with boundary. The axioms on the data are contained in the following assumptions.
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Computing the elliptic genus of higher rank E-strings from genus 0 GW invariants

Journal of High Energy Physics, 2019
We show that the elliptic genus of the higher rank E-strings can be computed based solely on the genus 0 Gromov-Witten invariants of the corresponding elliptic geometry.
Zhihao Duan, Jie Gu, Amir-Kian Kashani-Poor   +2 more
doaj   +1 more source

Topological partition function and string-string duality [PDF]

Physics Letters B, 1996
The evidence for string/string-duality can be extended from the matching of the vector couplings to gravitational couplings. In this note this is shown in the rank three example, the closest stringy analog of the Seiberg/Witten-setup, which is related to the Calabi-Yau $WP^4_{1,1,2,2,6}(12)$.
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Topological structures in string theory

Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences, 2001
This article provides a very general survey on some aspects of topological quantum field theory. Apparently, it is the written version of a talk that the author has delivered to a wider audience of mathematicians and physicists. The main subject of this survey is a special topic in string theory, namely the recently developed theory of (so-called) \(B\)
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Auto-Derivation of Simplified Contracted Graphs with Quaternary Links and Re-Construction Contracted Graphs for Topology Synthesis of Parallel Manipulators

Mathematics
To address the complexity of constructing traditional topological contracted graphs due to the significant increase in the types and quantities of basic links during the synthesis of complex parallel mechanisms, this paper introduces a novel concept ...
Nijia Ye, Zhengwei Geng
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Real Topological String Theory

, 2016
The thesis comprises work done at SISSA (Trieste) and UAM (Madrid) under supervision of A. Uranga during academic years 2013-2016 and published in the following works: in the first one [79] we describe the type IIA physical realization of the unoriented topological string introduced by Walcher, describe its M-theory lift, and show that it allows to ...
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Towards A Topological G_2 String

, 2005
We define new topological theories related to sigma models whose target space is a 7 dimensional manifold of G_2 holonomy. We show how to define the topological twist and identify the BRST operator and the physical states. Correlation functions at genus zero are computed and related to Hitchin's topological action for three-forms.
de Boer, J., Naqvi, A.A., Shomer, A.
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Topological strings

Nuclear Physics B, 1989
David Montano, Jacob Sonnenschein
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Borel singularities and Stokes constants of the topological string free energy on one-parameter Calabi-Yau threefolds

Journal of High Energy Physics
We study the Borel plane of the topological string free energy on all hypergeometric one-parameter Calabi-Yau models close to singular points in moduli space, focusing on the location of Borel singularities and the value of the associated Stokes ...
Simon Douaud, Amir-Kian Kashani-Poor
doaj   +1 more source

Emergence in string theory and Fermi gases

Journal of High Energy Physics
The Emergence Proposal suggests that some Swampland criteria, in particular on large field distances, are a consequence of the emergent nature of dynamics for fields in the infrared.
Jarod Hattab, Eran Palti
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