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Related papers: On Sasaki-Ricci solitons and their deformations

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We are concerned in this article with a classical topic in spectral geometry dating back to McKean-Singer, Patodi and Tanno: whether or not the constancy of sectional curvature (resp. holomorphic sectional curvature) of a compact Riemannian…

Differential Geometry · Mathematics 2023-12-13 Ping Li , Xiaomei Sun , Anqiang Zhu

In previous work, the authors studied the linear stability of algebraic Ricci solitons on simply connected solvable Lie groups (solvsolitons), which are stationary solutions of a certain normalization of Ricci flow. Many examples were shown…

Differential Geometry · Mathematics 2014-09-12 Michael Jablonski , Peter Petersen , Michael Bradford Williams

In this paper we study compact Sasaki manifolds in view of transverse K\"ahler geometry and extend some results in K\"ahler geometry to Sasaki manifolds. In particular we define integral invariants which obstruct the existence of transverse…

Differential Geometry · Mathematics 2007-05-23 Akito Futaki , Hajime Ono , Guofang Wang

In this paper, we first confirm the Hamilton-Tian conjecture for the Sasaki-Ricci flow in a compact transverse Fano quasi-regular Sasakian $5$-manifold with klt foliation singularities. Secondly, we derive the compactness theorem of…

Differential Geometry · Mathematics 2026-05-21 Shu-Cheng Chang , Yingbo Han , Chien Lin , Chin-Tung Wu

In this paper, we study the uniformly strong convergence of K\"ahler-Ricci flow on a Fano manifold with varied initial metrics and smooth deformation complex structures. As an application, we prove the uniqueness of K\"ahler-Ricci solitons…

Differential Geometry · Mathematics 2020-09-23 Feng Wang , Xiaohua Zhu

We discuss a deformation of Sasakian structure in the presence of totally skew-symmetric torsion by introducing odd dimensional manifolds whose metric cones are K\"ahler with torsion. It is shown that such a geometry inherits similar…

High Energy Physics - Theory · Physics 2015-06-05 Tsuyoshi Houri , Hiroshi Takeuchi , Yukinori Yasui

We show that, up to the flow of the soliton vector field, there exists a unique complete steady gradient K\"ahler-Ricci soliton in every K\"ahler class of an equivariant crepant resolution of a Calabi-Yau cone converging at a polynomial…

Differential Geometry · Mathematics 2020-06-08 Ronan J. Conlon , Alix Deruelle

Let $B$ be a K\"ahler-Einstein Fano manifold, and $L \to B$ be a suitable root of the canonical bundle. We give a construction of complete Calabi-Yau metrics and gradient shrinking, steady, and expanding K\"ahler-Ricci solitons on the total…

Differential Geometry · Mathematics 2025-06-18 Charles Cifarelli

In this expository article we review the problem of finding Einstein metrics on compact K\"ahler manifolds and Sasaki manifolds. In the former half of this article we see that, in the K\"ahler case, the problem fits better with the notion…

Differential Geometry · Mathematics 2008-11-09 Akito Futaki , Hajime Ono

Based on the compactness of the moduli of non-collapsed Calabi-Yau spaces with mild singularities, we set up a structure theory for polarized K\"ahler Ricci flows with proper geometric bounds. Our theory is a generalization of the structure…

Differential Geometry · Mathematics 2016-05-06 Xiuxiong Chen , Bing Wang

In this paper, we generalize Chen-Tian energy functionals to K\"ahler-Ricci solitons and prove that the properness of these functionals is equivalent to the existence of K\"ahler-Ricci solitons. We also discuss the equivalence of the lower…

Differential Geometry · Mathematics 2009-07-01 Haozhao Li

In this note, we find a necessary condition on odd-dimensional Riemannian manifolds under which both of Sasakian structure and the generalised Ricci soliton equation are satisfied, and we give some examples.

Differential Geometry · Mathematics 2023-06-22 Ahmed Mohammed Cherif , Kaddour Zegga , Gherici Beldjilali

In this article, we investigate four-dimensional gradient shrinking Ricci solitons close to a K\"ahler model. The first theorem could be considered as a rigidity result for the K\"ahler-Ricci soliton structure on $\mathbb{S}^2\times…

Differential Geometry · Mathematics 2022-12-13 Xiaodong Cao , Ernani Ribeiro , Hung Tran

We prove the existence of steady K\"ahler-Ricci solitons on equivariant crepant resolutions of $\mathbb{C}^n/G$, where $G$ is a finite subgroup of $SU(n)$.

Differential Geometry · Mathematics 2017-11-07 Olivier Biquard , Heather Macbeth

The aim of this paper is to construct left-invariant Einstein pseudo-Riemannian Sasaki metrics on solvable Lie groups. We consider the class of $\mathfrak z$-standard Sasaki solvable Lie algebras of dimension $2n+3$, which are in one-to-one…

Differential Geometry · Mathematics 2023-04-26 Diego Conti , Federico A. Rossi , Romeo Segnan Dalmasso

We analyse some properties of the cohomogeneity one Ricci soliton equations, and use Ansatze of cohomogeneity one type to produce new explicit examples of complete Kahler Ricci solitons of expanding, steady and shrinking types. These…

Differential Geometry · Mathematics 2008-02-07 Andrew S. Dancer , Mckenzie Y. Wang

In this short note, using an argument by Munteanu and Wang, we provide an alternative proof of the fact first obtained by Lei Ni that shrinking gradient K\"ahler-Ricci solitons with positive bisectional curvature must be compact.

Differential Geometry · Mathematics 2019-06-04 Guoqiang Wu , Shijin Zhang

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

In this paper, we derive the uniform L^{4}-bound of the transverse conic Ricci curvature along the conic Sasaki-Ricci flow on a compact transverse log Fano Sasakian manifold M of dimension five and the space of leaves of the characteristic…

Differential Geometry · Mathematics 2024-08-16 Shu-Cheng Chang , Fengjiang Li , Chien Lin , Chin-Tung Wu

Given a compact constant scalar curvature Kaehler orbifold, with nontrivial holomorphic vector fields, whose singularities admit a local ALE Kaehler Ricci-flat resolution, we find sufficient conditions on the position of the singular points…

Differential Geometry · Mathematics 2015-07-21 Claudio Arezzo , Riccardo Lena , Lorenzo Mazzieri