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Related papers: Sasaki-Einstein Manifolds

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Extending the work of G. Sz\'ekelyhidi and T. Br\"onnle to Sasakian manifolds we prove that a small deformation of the complex structure of the cone of a constant scalar curvature Sasakian manifold admits a constant scalar curvature…

Differential Geometry · Mathematics 2015-12-01 Carl Tipler , Craig van Coevering

Using Lie groups with left-invariant complex structure, we construct new examples of compact complex manifolds with flat affine structure in arbitrarly high dimensions. In the 2-dimensional case, we retrieve the Inoue surfaces $S^+$.

Differential Geometry · Mathematics 2024-10-03 David Petcu

We construct new examples of contact manifolds in arbitrarily large dimensions. These manifolds which we call quasi moment-angle manifolds, are closely related to the classical moment-angle manifolds.

Symplectic Geometry · Mathematics 2014-03-21 Yadira Barreto , Alberto Verjovsky

In the present paper we give a historical account -ranging from classical to modern results- of the problem of rolling two Riemannian manifolds one on the other, with the restrictions that they cannot instantaneously slip or spin one with…

Optimization and Control · Mathematics 2015-08-13 Yacine Chitour , Mauricio Godoy Molina , Petri Kokkonen

The aim of this paper is to study Sasakian immersions of (non-compact) complete regular Sasakian manifolds into the Heisenberg group and into $ \mathbb{B}^N\times \mathbb{R}$ equipped with their standard Sasakian structures. We obtain a…

Differential Geometry · Mathematics 2020-02-19 Gianluca Bande , Beniamino Cappelletti Montano , Andrea Loi

Seiberg-Witten theory is used to obtain new obstructions to the existence of Einstein metrics on 4-manifolds with conical singularities along an embedded surface. In the present article, the cone angle is required to be of the form 2(pi)/p,…

Differential Geometry · Mathematics 2013-05-10 Claude LeBrun

The field of two-dimensional topological semimetals, which emerged at the intersection of two-dimensional materials and topological materials, have been rapidly developing in recent years. In this article, we briefly review the progress in…

Materials Science · Physics 2021-11-17 Xiaolong Feng , Jiaojiao Zhu , Weikang Wu , Shengyuan A. Yang

Einstein like $(\varepsilon)$-para Sasakian manifolds are introduced. For an $(\varepsilon) $-para Sasakian manifold to be Einstein like, a necessary and sufficient condition in terms of its curvature tensor is obtained. The scalar…

Differential Geometry · Mathematics 2012-03-05 Sadik Keleş , Erol Kiliç , Mukut Mani Tripathi , Selcen Yüksel Perktaş

We discuss some recent advances concerning the symmetry of stochastic differential equations, and in particular the interrelations between these and the integrability -- complete or partial -- of the equations.

Mathematical Physics · Physics 2019-01-18 Giuseppe Gaeta , Claudia Lunini , Francesco Spadaro

In this survey article, we discuss some recent progress on geometric analysis on manifold with ends. In the final section, we construct manifolds with ends with oscillating volume functions which may turn out to have a different heat kernel…

Differential Geometry · Mathematics 2020-08-03 Alexander Grigor'yan , Satoshi Ishiwata , Laurent Saloff-Coste

This is the first paper in a series of eight where in the first three we develop a systematic approach to the geometric algebras of multivectors and extensors, followed by five papers where those algebraic concepts are used in a novel…

Differential Geometry · Mathematics 2007-05-23 A. M. Moya , V. V. Fernandez , W. A. Rodrigues

In this paper we survey results and recent progresses on the equivariant bordism classification of 2-torus manifolds and unitary toric manifolds.

Algebraic Topology · Mathematics 2019-09-10 Zhi Lü

This is a survey paper on algorithms for solving problems in 3-dimensional topology. In particular, it discusses Haken's approach to the recognition of the unknot, and recent variations.

Geometric Topology · Mathematics 2015-06-26 Joel Hass

This survey aims to give an overview of several substantial developments of the last 50 years in the structure theory of regular semigroups and to shed light on their impact on other parts of semigroup theory.

Group Theory · Mathematics 2019-09-13 Mária B. Szendrei

Smale-Barden manifolds are simply-connected closed 5-manifolds. It is an important and difficult question to decide when a Smale-Barden manifold admits a Sasakian or a K-contact structure. The known constructions of Sasakian and K-contact…

Differential Geometry · Mathematics 2020-04-28 A. Cañas , V. Muñoz , M. Schütt , A. Tralle

This survey is an invitation to recent developments in higher dimensional birational geometry.

Algebraic Geometry · Mathematics 2019-04-15 Vladimir Lazić

We give an up-to-date overview of geometric and topological properties of cosymplectic and coKaehler manifolds. We also mention some of their applications to time-dependent mechanics.

Differential Geometry · Mathematics 2013-11-22 Beniamino Cappelletti-Montano , Antonio De Nicola , Ivan Yudin

Elements of supergeometry are an ingredient in many contemporary classical and quantum field models involving odd fields. For instance, this is the case of SUSY field theory, BRST theory, supergravity. Addressing to theoreticians, these…

Mathematical Physics · Physics 2009-10-02 G. Sardanashvily

We prove a general result about the short time existence and uniqueness of second order geometric flows transverse to a Riemannian foliation on a compact manifold. Our result includes some flows already existing in literature, as the…

Differential Geometry · Mathematics 2018-06-08 Lucio Bedulli , Weiyong He , Luigi Vezzoni

In this paper we discuss some of the recent developments on derived equivalences in algebraic geometry.

Algebraic Geometry · Mathematics 2007-05-23 Lutz Hille , Michel Van den Bergh