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arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,982 papers · 148 categories

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22446688 · May 202619922001200920172026
48 results for solitonic decomposition

The paper explores geometric decompositions for Ricci tensors and their applications.

problem Understanding Ricci tensors on compact Riemannian manifolds.
method Utilizes Berger-Ebin and York L2L^2-orthogonal decompositions.
result New insights into Ricci almost solitons and harmonic maps.

This paper classifies Ricci solitons in complex hyperbolic spaces.

problem Understanding Ricci solitons in complex hyperbolic spaces.
method Analyzing homogeneous expanding Ricci solitons as submanifolds of complex hyperbolic spaces.
result Classification and analysis of Lie subgroups with Ricci soliton induced metric in complex hyperbolic spaces.

We extend to the Sasakian setting a result of Tian and Zhu about the decomposition of the Lie algebra of holomorphic vector fields on a Kähler manifold in the presence of a Kähler-Ricci soliton. Furthermore we apply known deformations of Sasakian structures to a Sasaki-Ricci soliton to obtain a stability result concern…

2013-07-12abs ↗pdf ↗

This paper classifies Ricci soliton subgroups in a specific type of nilpotent group.

problem Classifying Ricci soliton subgroups in a specific type of nilpotent group.
method Using the properties of nilpotent Iwasawa groups and Lie subgroups.
result Classification of codimension one Lie subgroups of nilpotent Iwasawa groups that are Ricci solitons.

Study on G2G_2-structures using Laplacian coflow and solitons.

problem Characterizing and understanding G2G_2-structures and their solitons.
method Using the irreducible G2G_2-decomposition of the Hodge Laplacian and Lie derivative, characterizing infinitesimal symmetries and soliton conditions.
result Proof of the absence of compact shrinking solitons for the Laplacian coflow.

We prove that a four-dimensional gradient shrinking Ricci soliton with δW±=0δW^{\pm}=0 is either Einstein, or a finite quotient of S3×RS^3\times\mathbb{R}, S2×R2S^2\times\mathbb{R}^2 or R4\mathbb{R}^4. We also prove that a four-dimensional cscK gradient Ricci soliton is either Kähler-Einstein, or a finite quotient of $M\times\…

2014-10-27abs ↗pdf ↗

The height function of various surfaces decomposes into finite sums of scaled and translated versions of itself.

problem Decomposing the height function of different types of surfaces into simpler components.
method Using Euler-Ramanujan identities and Weierstrass-Enneper representation to decompose height functions of minimal, maximal, timelike minimal, and Born-Infeld surfaces.
result The height function of various surfaces can be expressed as a finite sum of scaled and translated versions of itself.

We study the behavior under Gromov-Hausdorff convergence of the spectrum of weighted $\barpartial$-Laplacian on compact Kähler manifolds. This situation typically occurs for a sequence of Fano manifolds with anticanonical Kähler class. We apply it to show that, if an almost smooth Fano-Ricci limit space admits a Kähler…

2015-09-13abs ↗pdf ↗

The Ahlfors Laplacian is applied to solve geometric and relativistic problems.

problem Solving geometric and relativistic problems using the Ahlfors Laplacian.
method Orthogonal decompositions and expansions of tensor components are used to study the Ahlfors Laplacian's applications.
result The Ahlfors Laplacian is applied to construct solutions of general relativistic constraint equations in vacuum.

We propose an intuitive interpretation for nontrivial L2L^2-Betti numbers of compact Riemann surfaces in terms of certain loops in embedded pairs of pants. This description uses twisted homology associated to the Hurewicz map of the surface, and it satisfies a sewing property with respect to a large class of pair-of-pa…

2014-10-09abs ↗pdf ↗

Characterizes limits of Ricci flows and their singularities.

problem Understanding the structure of non-collapsed limits of Ricci flows.
method Characterizes limits as smooth away from a set of high codimension, identifies tangent flows as gradient shrinking solitons, and stratifies singular set.
result Non-collapsed limits of Ricci flows are smooth away from a set of high codimension and have tangent flows as gradient shrinking solitons.

We classify Algebraic Ricci Solitons of three-dimensional Lorentzian Lie groups. All algebraic Ricci solitons that we obtain are sol-solitons. In particular, we prove that, contrary to the Riemannian case, Lorentzian Ricci solitons need not to be algebraic Ricci solitons. We classify Algebraic Ricci Solitons of three-d…

2011-12-12abs ↗pdf ↗

The study examines Riemann solitons and almost solitons on specific Kenmotsu manifolds.

problem Characterizing solitons on Kenmotsu manifolds.
method Analysis of Riemann solitons and gradient almost Riemann solitons on almost Kenmotsu manifolds.
result Construction of examples of Kenmotsu and (κ,μ)(κ,μ)'-almost Kenmotsu manifolds.

Study on ηη-Ricci-Yamabe solitons on Riemannian submersions.

problem Characterizing ηη-Ricci-Yamabe solitons on Riemannian submersions.
method Analyzing conditions for ηη-Ricci-Yamabe solitons on submersions and deriving Laplacian equations.
result Classification of fiber and target manifolds as ηη-Ricci-Yamabe solitons under various conditions.

Study on Ricci-like solitons and gradient solitons on specific manifolds.

problem Characterizing solitons on Sasaki-like almost contact B-metric manifolds.
method Introduced and studied Ricci-like solitons with arbitrary potential and gradient solitons. Proved properties of the Ricci tensor and soliton coefficients.
result Gradient almost Ricci-like solitons have constant soliton coefficients.

Study on p-biharmonic maps from gradient Ricci solitons, focusing on 2D cigar soliton.

problem Understanding p-biharmonic maps on gradient Ricci solitons.
method Analyzing p-biharmonic maps from gradient Ricci solitons, specifically 2D cigar soliton.
result Obtained results on p-biharmonic maps from gradient Ricci solitons, particularly on 2D cigar soliton.

The study characterizes spacetimes with specific solitons in f(R)f(\mathcal{R})-gravity.

problem Characterizing spacetimes with specific solitons in f(R)f(\mathcal{R})-gravity.
method Analyzing ηη-Ricci solitons, gradient ηη-Ricci solitons, gradient Einstein Solitons, and gradient mm-quasi Einstein solitons in perfect fluid spacetimes obeying f(R)f(\mathcal{R})-gravity.
result Established conditions for the behavior of ηη-Ricci solitons and derived significant theorems about dark matter.

We prove some results for the solitons of the Ricci-Bourguignon flow, generalizing corresponding results for Ricci solitons. Taking motivation from Ricci almost solitons, we then introduce the notion of Ricci-Bourguignon almostalmost solitons and prove some results about them which generalize previous results for Ricci alm…

2018-09-28abs ↗pdf ↗

Researchers study solitons on homogeneous manifolds, proving properties of specific types of solitons.

problem Examining solitons on homogeneous manifolds to understand their properties and constraints.
method Analyzing ambient obstruction flow and specific solitons in homogeneous spaces, proving properties and constructing examples.
result Proved that any compact ambient obstruction soliton with constant scalar curvature is trivial, and characterized specific types of solitons in 4-dimensional homogeneous spaces.

Characterizes *-kk-Ricci-Yamabe solitons on Kenmotsu manifolds.

problem Understanding *-kk-Ricci-Yamabe solitons on Kenmotsu manifolds.
method Analyzes the geometry of *-kk-Ricci-Yamabe solitons and gradient solitons on Kenmotsu manifolds.
result Characterizes the nature of *-kk-Ricci-Yamabe solitons and gradient solitons.

The paper explores almost Ricci solitons on Finsler spaces, proving conditions for their existence.

problem Characterizing almost Ricci solitons on Finsler measure spaces.
method Introducing and investigating gradient almost Ricci solitons, proving conditions for existence.
result Conditions for the existence of gradient almost Ricci solitons on Finsler measure spaces.

The study classifies h-almost Ricci-Yamabe solitons in various paracontact manifolds.

problem Classifying h-almost Ricci-Yamabe solitons in paracontact geometry.
method Characterization and classification of para-Kenmotsu, para-Sasakian, and para-cosymplectic manifolds.
result Characterizations and classifications of various paracontact manifolds.

Study on warped product Yamabe solitons with constant fiber curvature.

problem Characterizing nontrivial warped product Yamabe gradient solitons.
method Investigation of warped product manifolds, derivation of scalar curvature estimates.
result Nontrivial warped product Yamabe gradient solitons have constant scalar curvature in the fiber.

Unique steady and expanding solitons with spherical links identified.

problem Characterizing steady and expanding Ricci solitons with specific asymptotic symmetries.
method Symmetry principle applied to asymptotically cylindrical and conical GRSs, proving uniqueness for Bryant solitons.
result Bryant steady and expanding solitons are the unique asymptotically cylindrical and conical GRSs with spherical links under certain conditions.

We use the bracket flow/algebraic soliton approach to study the Laplacian flow of G2G_2-structures and its solitons in the homogeneous case. We prove that any homogeneous Laplacian soliton is equivalent to a semi-algebraic soliton (i.e.\ a GG-invariant G2G_2-structure on a homogeneous space G/KG/K that flows by pull-ba…

2016-02-26abs ↗pdf ↗

The paper classifies expanding gradient Yamabe solitons based on scalar curvature.

problem Classifying expanding gradient Yamabe solitons based on scalar curvature.
method Rigorous analysis of scalar curvature in both cases: greater than and less than the soliton constant.
result Complete classification of nontrivial complete expanding gradient Yamabe solitons.