Results 101 to 110 of about 6,987,948 (273)

Riemann surfaces with a quasi large abelian group of automorphisms

open access: yesLe Matematiche, 2011
In this work we classify all Riemann surfaces having a quasi large abelian group of automorphisms, i.e. having an abelian group of automorphisms of order strictly bigger than 2(g−1), where g denotes the genus of the Riemann surface.
Roberto Pignatelli, Carmen Raso
doaj  

2D gravitational Mabuchi action on Riemann surfaces with boundaries

open access: yesJournal of High Energy Physics, 2017
We study the gravitational action induced by coupling two-dimensional non-conformal, massive matter to gravity on a Riemann surface with boundaries. A small-mass expansion gives back the Liouville action in the massless limit, while the first-order mass ...
Adel Bilal, Corinne de Lacroix
doaj   +1 more source

4d N $$ \mathcal{N} $$ = 1 from 6d D-type N $$ \mathcal{N} $$ = (1, 0)

open access: yesJournal of High Energy Physics, 2020
Compactifications of 6d N $$ \mathcal{N} $$ = (1, 0) SCFTs give rise to new 4d N $$ \mathcal{N} $$ = 1 SCFTs and shed light on interesting dualities between such theories.
Jin Chen   +3 more
doaj   +1 more source

Generalized Toda theory from six dimensions and the conifold

open access: yesJournal of High Energy Physics, 2017
Recently, a physical derivation of the Alday-Gaiotto-Tachikawa correspondence has been put forward. A crucial role is played by the complex Chern-Simons theory arising in the 3d-3d correspondence, whose boundary modes lead to Toda theory on a Riemann ...
Sam van Leuven, Gerben Oling
doaj   +1 more source

A Short Note On M-Symmetric Hyperelliptic Riemann Surfaces

open access: yesCubo, 2010
We provide an argument, based on Schottky groups, of a result due to B. Maskit which states a necessary and sufficient condition for the double oriented cover of a planar compact Klein surface of algebraic genus at least two to be a hyperelliptic Riemann
Rubén A Hidalgo
doaj  

On connections on principal bundles

open access: yesArab Journal of Mathematical Sciences, 2017
A new construction of a universal connection was given in Biswas, Hurtubise and Stasheff (2012). The main aim here is to explain this construction. A theorem of Atiyah and Weil says that a holomorphic vector bundle E over a compact Riemann surface admits
Indranil Biswas
doaj   +1 more source

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