Results 1 to 10 of about 52,715 (203)
Symmetric Space Cartan Connections and Gravity in Three and Four Dimensions
Einstein gravity in both 3 and 4 dimensions, as well as some interesting generalizations, can be written as gauge theories in which the connection is a Cartan connection for geometry modeled on a symmetric space.
Derek K. Wise
doaj +1 more source
We study the expectation value of a nonplanar Wilson graph operator in SL(2,C) Chern–Simons theory on S3. In particular we analyze its asymptotic behavior in the double-scaling limit in which both the representation labels and the Chern–Simons coupling ...
Hal M. Haggard +3 more
doaj +1 more source
A comment on metric vs metric-affine gravity
We consider the sum of the Einstein-Hilbert action and a Pontryagin density (PD) in arbitrary even dimension D≥4. All curvatures are functions of independent affine (torsionless) connections only.
Ulf Lindström, Özgür Sarıoğlu
doaj +1 more source
The well adapted connection of a $(J^{2}=\pm 1)$-metric manifold
In this paper, we study the well adapted connection attached to a $(J^{2}=\pm 1)$-metric manifold, proving it exists for any of the four geometries and obtaining a explicit formula as a derivation law.
Etayo, Fernando, Santamaría, Rafael
core +1 more source
Gerbes, simplicial forms and invariants for families of foliated bundles
The notion of a gerbe with connection is conveniently reformulated in terms of the simplicial deRham complex. In particular the usual Chern-Weil and Chern-Simons theory is well adapted to this framework and rather easily gives rise to `characteristic ...
Bismut +18 more
core +1 more source
Higher dimensional quantum Hall effect as A-class topological insulator
We perform a detail study of higher dimensional quantum Hall effects and A-class topological insulators with emphasis on their relations to non-commutative geometry.
Kazuki Hasebe
doaj +1 more source
Strong connections and the relative Chern-Galois character for corings
The Chern-Galois theory is developed for corings or coalgebras over non-commutative rings. As the first step the notion of an entwined extension as an extension of algebras within a bijective entwining structure over a non-commutative ring is introduced.
Böhm, Gabriella, Brzeziński, Tomasz
openaire +5 more sources
Wilson loop algebras and quantum K-theory for Grassmannians
We study the algebra of Wilson line operators in three-dimensional N $$ \mathcal{N} $$ = 2 supersymmetric U(M ) gauge theories with a Higgs phase related to a complex Grassmannian Gr(M, N ), and its connection to K-theoretic Gromov-Witten invariants for ...
Hans Jockers +3 more
doaj +1 more source
The holographic c-theorem and infinite-dimensional Lie algebras
We discuss a non-dynamical theory of gravity in three dimensions which is based on an infinite-dimensional Lie algebra that is closely related to an infinite-dimensional extended AdS algebra.
Eric A. Bergshoeff +2 more
doaj +1 more source
Non-Abelian fractional quantum Hall states and chiral coset conformal field theories
We propose an effective Lagrangian for the low energy theory of the Pfaffian states of the fractional quantum Hall effect in the bulk in terms of non-Abelian Chern-Simons (CS) actions.
D. C. CABRA +4 more
core +1 more source

