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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.

168,742 papers · 148 categories

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12.5%25.0%37.5%50.0% · May 199319922001200920172026
48 results for soliton dynamics

New method learns soliton dynamics from scattering data without assuming known equations.

problem Deriving soliton dynamics from scattering data without prior knowledge.
method Combining IST with weak-form system identification for data-driven discovery.
result Effective soliton dynamics models derived from observed scattering data.

Study of Riemann solitons and ηη-hyperbolic Ricci solitons on Bochner-flat Lorentzian Kähler spacetime manifolds.

problem Analyzing soliton behaviors on Bochner-flat Lorentzian Kähler spacetime manifolds.
method Deriving explicit formulas for soliton parameters and analyzing their behaviors.
result Criteria for shrinking, steady, and expanding behaviors of solitons.

Study stabilizes translating solitons in hyperbolic space for MCF.

problem Stability of translating solitons in hyperbolic space.
method Developed theory, constructed rotationally invariant translators, used avoidance principle and maximum principle.
result Horospheres are dynamically stable as radial graphical solutions to MCF.

We consider dynamical stability for a modified Ricci flow equation whose stationary solutions include Einstein and Ricci soliton metrics. Our focus is on homogeneous metrics on non-compact manifolds. Following the program of Guenther, Isenberg, and Knopf, we define a class of weighted little Hölder spaces with certain …

2013-09-21abs ↗pdf ↗

Characterizes potential function of almost conformal Ricci solitons on Sasakian manifolds.

problem Characterizing potential functions of almost conformal Ricci solitons on Sasakian manifolds.
method Characterization through the potential function ff and non-dynamical scalar field pp.
result Established a sufficient condition for an almost conformal Ricci soliton to be an almost conformal gradient Ricci soliton.

We study the evolution of homogeneous Ricci solitons under the bracket flow, a dynamical system on the space of all homogeneous spaces of dimension n with a q-dimensional isotropy, which is equivalent to the Ricci flow for homogeneous manifolds. We prove that algebraic solitons (i.e. the Ricci operator is a multiple of…

2012-10-12abs ↗pdf ↗

We introduce certain spherically symmetric singular Ricci solitons and study their stability under the Ricci flow from a dynamical PDE point of view. The solitons in question exist for all dimensions n+13n+1\ge 3, and all have a point singularity where the curvature blows up; their evolution under the Ricci flow is in sh…

2013-04-24abs ↗pdf ↗

We study Hamiltonian dynamics of gradient Kaehler-Ricci solitons that arise as limits of dilations of singularities of the Ricci flow on compact Kaehler manifolds. Our main result is that the underlying spaces of such gradient solitons must be Stein manifolds. Moreover, on all most all energy surfaces of the potential …

1998-07-02abs ↗pdf ↗

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 to be linearly stable, leading to the conjecture that all solvsolitons are line…

2014-09-10abs ↗pdf ↗

Study on Hermitian curvature flow on special linear groups, disproving a conjecture and finding non-algebraic solitons.

problem Disproving a conjecture about the stability of canonical metrics on special linear groups.
method Investigation of invariant solutions to the Positive Hermitian Curvature Flow on complex Lie groups.
result Discovered non-algebraic solitons on special linear groups, contradicting Ustinovskiy's conjecture.

We discuss some classification results for Ricci solitons, that is, self similar solutions of the Ricci Flow. Some simple proofs of known results will be presented. In detail, we will take the equation point of view, trying to avoid the tools provided by considering the dynamic properties of the Ricci flow.

2006-07-21abs ↗pdf ↗

A geometric analysis of protein folding, which complements many of the models in the literature, is presented. We examine the process from unfolded strand to the point where the strand becomes self-interacting. A central question is how it is possible that so many initial configurations proceed to fold to a unique fina…

2008-09-11abs ↗pdf ↗

Study \ast-ηη-Ricci solitons on weak Kenmotsu ff-manifolds.

problem Characterize \ast-ηη-Ricci solitons on weak Kenmotsu ff-manifolds.
method Adapted \ast-Ricci tensor to weak metric ff-manifolds, studied the interaction with weak βfβf-Kenmotsu structure.
result Obtained new characteristics of ηη-Einstein metrics.

We consider a modified Ricci flow equation whose stationary solutions include Einstein and Ricci soliton metrics, and we study the linear stability of those solutions relative to the flow. After deriving various criteria that imply linear stability, we turn our attention to left-invariant soliton metrics on (non-compac…

2013-09-24abs ↗pdf ↗

The moduli space of static finite energy solutions to Ward's integrable chiral model is the space MNM_N of based rational maps from $\CP^1$ to itself with degree NN. The Lagrangian of Ward's model gives rise to a Kähler metric and a magnetic vector potential on this space. However, the magnetic field strength vanishes…

2004-11-05abs ↗pdf ↗

Study of ηη-Ricci solitons and ηη-Einstein metrics on weak ββ-Kenmotsu ff-manifolds.

problem Exploring new ff-structures and their properties in geometric settings.
method Analysis of weak ββ-Kenmotsu ff-manifolds and their properties under ηη-Ricci soliton structures.
result Weak ββ-Kenmotsu ff-manifolds with β=constβ=const and ηη-Ricci soliton structures are ηη-Einstein manifolds of constant scalar curvature.

We develop a general approach to study geometric flows on homogeneous spaces. Our main tool will be a dynamical system defined on the variety of Lie algebras called the bracket flow, which coincides with the original geometric flow after a natural change of variables. The advantage of using this method relies on the fa…

2015-07-29abs ↗pdf ↗

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.