Results 91 to 100 of about 2,185 (102)

Homology groups in CR-warped products of complex space forms. [PDF]

Heliyon
Li Y, Ali A, Alluhaibi N, Mofarreh F, Ozel C.   +4 more
europepmc   +1 more source

Lorentzian similarity manifolds

Open Mathematics, 2012
Kamishima Yoshinobu
doaj   +1 more source

Nontrivial examples of coupled equations for Kähler metrics and Yang-Mills connections

Open Mathematics, 2012
Keller Julien, Tønnesen-Friedman Christina   +1 more
doaj   +1 more source

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Bihermitian Structures on Complex Surfaces

, 1999
Bihermitian complex surfaces are oriented conformal four‐manifolds admitting two independent compatible complex structures. Non‐anti‐self‐dual bihermitian structures on R4 and the four‐dimensional torus T4 have recently been discovered by P. Kobak.
V. Apostolov, P. Gauduchon, G. Grantcharov   +2 more
semanticscholar   +1 more source

On Conformally Flat and Weyl-Semisymmetric (ϵ) - Sasakian Manifolds

, 2017
In this paper, we study (ε)-Sasakian manifolds satisfying certain conditions on the conformal curvature tensor. Here, we consider conformally flat and Weyl-semisymmetric (ε)Sasakian manifolds. MSC (2000): 53C40, 53C50, 53C55.
M. Raja, D. Asha., Pundikala Veeresha
semanticscholar   +1 more source

(1, 2)‐Symplectic Metrics, Flag Manifolds and Tournaments

, 2002
It has recently been shown by Mo and Negreiros that a necessary condition for an invariant almost complex structure on the complex full flag manifold F(n) to admit a (1, 2)‐symplectic invariant metric is that its associated tournament be cone‐free.
N. Cohen, Caio J. C. Negreiros, L. S. San Martin   +2 more
semanticscholar   +1 more source

A Note on Cohomology of a Riemannian Manifold

, 2014
In this paper we use the vanishing of first cohomology group of a Riemannian manifold (M, g) to find a sufficient condition for a closed vector field ξ on M to be a concircular vector field.
Tahsin Ghazal, S. Arabia
semanticscholar   +1 more source

One-Cusped L-Hypergeometric Complex Manifolds and Their Applications

INTERNATIONAL JOURNAL OF MATHEMATICS AND COMPUTER RESEARCH
In this paper, we investigate the geometric structure of one-cusped L-hypergeometric complex manifolds. By providing explicit constructions, we show how these manifolds arise from a combination of Lhypergeometric functions and specific boundary ...
P. M. Naidu, K.V. Vidyasagar
semanticscholar   +1 more source

Kähler structures and convexity properties of coadjoint orbits

, 1995
Let g be a finite dimensional real Lie algebra and g* its dual. We show that every coadjoint orbit in g* which is contained in the relative interior of a closed convex invariant set which contains no lines carries a uniquely determined Kahler structure ...
K. Neeb
semanticscholar   +1 more source

Arbeitsgemeinschaft: Rational Homotopy Theory in Mathematics and Physics

, 2011
This Arbeitsgemeinschaft focused on the interplay among rational homotopy theory, differential geometry and the physics of string topology. The talks centered on one hand on how geometry and string topology make use of rational homotopy methods, elicit ...
D. Tanré, J. Oprea
semanticscholar   +1 more source