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58 papers · 1 filter
The E(11) origin of all maximal supergravities - the hierarchy of field-strengths
Fabio Riccioni, Duncan Steele, Peter West
Starting from and the space-time translations we construct an algebra that promotes the global symmetries to local ones, and consider all its possible massive def…
Tachyon - Dilaton driven Inflation as an alpha' - non-perturbative solution in First Quantized String Cosmology
Anna Kostouki
Applying a novel non-perturbative functional method framework to a two-dimensional bosonic sigma model with tachyon, dilaton and graviton backgrounds we construct exact (non pertur…
Non-extensive statistics and its effects on cosmology
Ariadne Vergou
Non-extensive statistics, namely Tsallis statistics, is applied on a case of a supercritical string cosmology and interesting cosmological modifications are obtained. The two main…
Gauduchon-Tod structures, Sim holonomy and De Sitter supergravity
Jai Grover, Jan B. Gutowski, Carlos A. R. Herdeiro +3
Solutions of five-dimensional De Sitter supergravity admitting Killing spinors are considered, using spinorial geometry techniques. It is shown that the "null" solutions are define…
Matrix factorisations and open topological string theory
Nils Carqueville
Amplitudes in open topological string theory may be described completely by certain A-infinity-categories. We detail a general construction of all cyclic minimal models for a given…
Local E(11)
Fabio Riccioni, Peter West
We give a method of deriving the field-strengths of all massless and massive maximal supergravity theories in any dimension starting from the Kac-Moody algebra . Considerin…