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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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4489133177 · May 202619922001200920172026
48 results for asymptotic solitons

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.

Study classifies 4D Ricci solitons with specific curvature conditions.

problem Classifying 4D gradient steady and expanding Ricci solitons with given curvature properties.
method Asymptotically cylindrical and conical assumptions; half-harmonic and half-nonnegative isotropic curvature conditions.
result Partial classification of 4D gradient expanding Ricci solitons with half-nonnegative isotropic curvature.

Study of 4D Ricci solitons with symmetry, finding precise geometric asymptotics.

problem Classifying 4D gradient steady Ricci solitons and understanding their geometric properties.
method Analysis of 4D gradient steady Ricci solitons with O(3)-symmetry under a weak curvature decay condition.
result Find precise geometric asymptotics similar to 3D compact κ-solutions.

Uniqueness proven for specific types of geometric structures.

problem Proving uniqueness of asymptotically conical gradient shrinking solitons.
method Extends Kotschwar and Wang's argument for uniqueness of AC gradient shrinking Ricci solitons.
result G_2-structures are equivalent if asymptotically conical and asymptotic to the same closed G_2-cone.

New degree theory proves existence of solitons on 4D manifolds.

problem Existence of gradient expanding solitons on 4D manifolds.
method Developed new degree theory for 4D, asymptotically conical gradient expanding solitons.
result Existence of solitons asymptotic to any cone over S^3 with non-negative scalar curvature.

Ricci flow modelled on specific singularities on closed manifolds.

problem Analyzing singularities in Ricci flows.
method Closed manifold Ricci flow with singularity modeled on asymptotically conical shrinkers.
result Ricci flow solution forms a singularity that matches the given asymptotically conical shrinker.

Study on scalar curvature decay in four-dimensional steady solitons.

problem Behavior of scalar curvature at infinity on four-dimensional steady solitons.
method Analysis of scalar curvature decay rate and asymptotic cone properties.
result Linear scalar curvature decay away from edges, stronger inequality if scalar curvature vanishes at infinity.

Researchers found infinitely many non-collapsed steady Ricci solitons on complex line bundles.

problem Finding steady Ricci solitons on complex line bundles.
method Constructed a continuous 3-parameter family of non-shrinking Ricci solitons.
result Includes infinitely many asymptotically paraboloidal steady Ricci solitons.

Study on Einstein solitons with bounds and asymptotic behavior.

problem Understanding the properties of Einstein solitons.
method Computed lower bounds for scalar curvature, established asymptotic behavior, proved finiteness of fundamental group and weighted volume.
result Established finiteness of fundamental group and weighted volume for gradient shrinking Einstein solitons.

Study finds solitons on curved spaces with varying behavior.

problem Existence and behavior of solitons on curved spaces.
method Proved existence of entire graphical translators on Cartan-Hadamard manifolds, analyzed asymptotic behavior based on curvature.
result Asymptotic behavior of solitons depends on curvature; bounded solutions exist under certain conditions.

We produce new non-Kähler complete steady gradient Ricci solitons whose asymptotics combine those of the Bryant solitons and the Hamilton cigar. We also obtain a family of complete Ricci-flat metrics with asymptotically locally conical asymptotics. Finally, we obtain numerical evidence for complete steady soliton struc…

2013-09-24abs ↗pdf ↗

We show that if two gradient Ricci solitons are asymptotic along some end of each to the same regular cone, then the soliton metrics must be isometric on some neighborhoods of infinity of these ends. Our theorem imposes no restrictions on the behavior of the metrics off of the ends in question and in particular does no…

2013-07-17abs ↗pdf ↗

Ancient Ricci flows with asymptotic solitons have uniform bounds and inequalities.

problem Bounding and understanding ancient Ricci flows with asymptotic solitons.
method Analyzing asymptotic solitons, proving uniform bounds on Perelman's ν-functional, and showing Nash entropy bounds.
result Uniform bounds on Perelman's ν-functional and logarithmic/Sobolev inequalities for ancient solutions.

Existence of non-Einstein, non-shrinking Ricci solitons on quaternionic and octonionic spaces.

problem Existence of non-Einstein, non-shrinking Ricci solitons on specific geometric spaces.
method Construction of two 3-parameter families of non-Einstein, non-shrinking Ricci solitons on Hm+1\mathbb{H}^{m+1} and HPm+1\{}\mathbb{HP}^{m+1}\backslash\{*\}, extending to a 2-parameter family on O2\mathbb{O}^2.
result Existence of asymptotically paraboloidal steady Ricci solitons on Hm+1\mathbb{H}^{m+1} and HPm+1\{}\mathbb{HP}^{m+1}\backslash\{*\}, with the Jensen sphere and Bourguignon--Karcher sphere as bases.

Study on solitons in specific geometric manifolds, proving manifold properties and presenting examples.

problem Exploring solitons in almost coKähler and asymptotically harmonic manifolds.
method Analyzing ηη-Einstein and gradient ηη-Einstein solitons in various geometric frameworks.
result Proves manifold properties and presents examples validating results.

New steady gradient Ricci solitons found with specific symmetry.

problem Finding new steady gradient Ricci solitons with positive curvature.
method Utilized a procedure by Lai to construct examples with O(p)imesO(q)O(p) imes O(q) symmetry.
result Found new examples of steady gradient Ricci solitons with O(p)imesO(q)O(p) imes O(q) symmetry in dimensions p+qp+q.

The paper studies steady solitons with curvature decay and proves their smoothness.

problem Analyzing the properties of steady solitons with curvature decay.
method Bootstrap regularity in harmonic coordinates using the soliton equation.
result Steady gradient Ricci solitons are asymptotically cylindrical under certain curvature decay conditions.

We provide a detailed description of solutions of Curve Shortening in Rn\R^n that are invariant under some one-parameter symmetry group of the equation, paying particular attention to geometric properties of the curves, and the asymptotic properties of their ends. We find generalized helices, and a connection with curv…

2012-07-17abs ↗pdf ↗

The study examines 4D steady gradient Ricci solitons with nonnegative curvature away from a compact set.

problem Analyzing noncompact steady gradient Ricci solitons with nonnegative curvature operator.
method Examining the asymptotic behavior of noncompact κ-noncollapsed steady gradient Ricci solitons with nonnegative curvature operator away from a compact set.
result 4D noncompact κ-noncollapsed steady gradient Ricci solitons with nonnegative sectional curvature must be a Bryant Ricci soliton up to scaling.

Uniqueness proven for a specific type of complex manifold's solitons.

problem Proving uniqueness of asymptotically conical shrinking gradient Kähler-Ricci solitons.
method Using a method to show uniqueness of the soliton vector field, which can be applied more widely.
result A noncompact complex manifold admits only one such soliton.

Study on asymptotic behavior of Taub-NUT type solitons and construction of new ALF Calabi-Yau metrics.

problem Asymptotic behavior of steady gradient Kähler-Ricci solitons of Taub-NUT type.
method Determination of asymptotic cone, special case analysis, and construction of new metrics using Tian-Yau-Hein method.
result Construction of new ALF Calabi-Yau metrics on quotients of the Taub-NUT type soliton.

Backward propagation rules for warped products under Ricci flow.

problem Understanding how warped product structures behave under Ricci flow.
method Establishing sufficient conditions for backward propagation of warped product structures.
result Asymptotically conical shrinkers are multiply-warped products over Einstein manifolds.

Study of solitons in Laplacian flow on 7-manifolds.

problem Understanding finite-time singularities of Laplacian flow on G_2-structures.
method Systematic study of cohomogeneity-one solitons with Sp(2) and SU(3) symmetry groups.
result Existence and classification of smoothly-closing solitons, including complete and incomplete solutions.

We study the asymptotic volume ratio of non-steady gradient Ricci solitons. Moreover, a local estimate of the volume ratio is obtained for expanding solitons which satisfy limdist(O,x)Sectdist(O,x)2=0\lim_{dist(O,x)\rightarrow\infty} |Sect|\cdot dist(O,x)^2=0. Therefore, for such a soliton, we can show that it must have Rn\mathbb{R}^n as one of…

2011-05-30abs ↗pdf ↗

The paper proves convexity of certain solitons and expanders in high dimensions.

problem Proving convexity of specific solitons and expanders in Rn+1\mathbb{R}^{n+1}.
method Inspired by Spruck-Xiao and Derdziński, the paper uses geometric analysis to prove convexity.
result The paper proves the convexity of complete 2-convex translating and expanding solitons and expanders in Rn+1\mathbb{R}^{n+1} for n3n\geq 3.

Study precise asymptotics of noncompact Type-IIb solutions to mean curvature flow.

problem Understanding the behavior of noncompact Type-IIb solutions to mean curvature flow as time approaches infinity.
method Constructed rotationally symmetric solutions with specific asymptotic behavior and analyzed their properties.
result The highest curvature concentrates at the tip of the hypersurface and blows up at the Type-IIb rate (2t+1)(γ1)/2(2t+1)^{(γ-1)/2}.

Paper proves uniqueness of catenary cylinders based on their asymptotic shape.

problem Proving uniqueness of catenary cylinders by their asymptotic behavior.
method Applying the moving plane method of Alexandrov and strong maximum principle for elliptic operators.
result Established a uniqueness result for [φ,e3][\varphi,\vec{e}_{3}]-catenary cylinders based on their asymptotic behavior.

Researchers found cylindrical steady gradient solitons in 3D.

problem Finding steady gradient solitons in 3D with specific symmetries.
method Constructed a two-parameter family of solitons with SO(2)imesR\mathrm{SO}(2) imes\mathbb{R} symmetry.
result Found a family of solitons with asymptotic power-law or exponential decay.