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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.

169,341 papers · 148 categories

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70141211281 · May 202619922001200920182026
48 results for Geometric flow

Ancient geometric flows of submanifolds are characterized under curvature pinching.

problem Characterizing ancient solutions of geometric flows under curvature constraints.
method Rigidity theorems for ancient solutions of geometric flows of immersed submanifolds.
result Pinching conditions on the second fundamental form characterize the shrinking sphere for mean curvature flow in higher codimensions and certain nonlinear curvature flows of hypersurfaces.

Survey of geometric flows from unified string theories.

problem None explicitly stated, but related to understanding geometric flows in string theories.
method Survey of geometric flows in various geometries (complex, almost-complex, symplectic) motivated by string theories.
result Intermediate flows between Ricci and Kähler-Ricci flows, often coupled to additional fields.

Study geometric flows with varying parameters and prove continuous dependence.

problem Continuous dependence of flows on parameters in geometric settings.
method Derived suitable topologies for vector fields and flows, proved new continuous dependence.
result Proved continuous dependence of flows on parameters in a general topological space.

Karigiannis discusses geometric flows of G2-structures, focusing on existence and uniqueness.

problem Existence and uniqueness of geometric flows of G2-structures.
method Introduced geometric structures, geometric flows, and discussed qualitative features. Focused on Ricci flow and DeTurck trick, then extended to G2-structures.
result Clarified conditions for short-time existence and uniqueness of G2-Laplacian flow.

It is well-known that the LIE(Locally Induction Equation) admit soliton-type solutions and same soliton solutions arise from different and apparently irrelevant physical models. By comparing the solitons of LIE and Killing magnetic geodesics, we observe that these solitons are essentially decided by two families of iso…

2012-12-17abs ↗pdf ↗

Study on geometric flows on foliated manifolds, proving existence and uniqueness.

problem Existence and uniqueness of second order geometric flows on foliated manifolds.
method General result proving short time existence and uniqueness for flows transverse to a Riemannian foliation.
result General result including existing flows like transverse Ricci flow and Sasaki-Ricci flow.

The paper provides estimates for positive solutions to a nonlinear equation under geometric flow.

problem Analyzing positive solutions to a nonlinear equation under geometric flow.
method Gradient estimates for positive solutions under geometric flow on manifolds.
result Gradient estimates for positive solutions to a nonlinear equation under geometric flow.

The paper studies geometric constants under modified Ricci flows with variable parameters.

problem Understanding geometric constants under variable coupling parameters in Ricci flows.
method Introduced modified Ricci flows with variable coefficients, derived evolution formulas, and proved monotonicity conditions.
result Conditions for maintaining monotonicity of geometric constants under modified Ricci flows.

In general, gradient estimates are very important and necessary for deriving convergence results in different geometric flows, and most of them are obtained by analytic methods. In this paper, we will apply a stochastic approach to systematically give gradient estimates for some important geometric quantities under the…

2013-12-23abs ↗pdf ↗

In this paper we introduce and study a new kind of hyperbolic geometric flows --dissipative hyperbolic geometric flow. This kind of flow is defined by a system of quasilinear wave equations with dissipative terms. Some interesting exact solutions are given, in particular, a new concept-- hyperbolic Ricci soliton is int…

2007-09-17abs ↗pdf ↗

The Hodge star mean curvature flow on a 3-dimension Riemannian or pseudo-Riemannian manifold, the geometric Airy flow on a Riemannian manifold, the Schrodingier flow on Hermitian manifolds, and the shape operator curve flow on submanifolds are natural non-linear dispersive curve flows in geometric analysis. A curve flo…

2014-11-08abs ↗pdf ↗

The paper studies geometric Airy curve flows on R^n and their properties.

problem Investigating the geometric Airy curve flow on R^n and its properties.
method The paper constructs a Poisson structure, Hamiltonians, and soliton solutions for the geometric Airy curve flow.
result The geometric Airy curve flow is shown to be Hamiltonian and has a sequence of commuting Hamiltonians.

The paper studies a flow related to Ricci flow on manifolds with geometric singularities.

problem Analyzing geometric flows on manifolds with singularities.
method Introduced geometric flow on smooth compact manifolds with rough metrics, providing a regularity theory and demonstrating distance consistency.
result The flow on spaces with singularities preserves the distance metric as in smooth cases, maintaining smoothness away from singular points.

The paper shows bounds for a geometric flow related to Type IIB string theory.

problem Establishing derivative bounds for a geometric flow in non-Kähler geometry.
method Unified formulation of the flow with Ricci flow, proving bounds from metric and torsion 1-form uniform bounds.
result Derivative bounds follow from uniform metric and torsion 1-form bounds.

A new geometric flow KK-flow on 3-manifolds shrinks or preserves homogeneous spheres.

problem Analyzing the behavior of Thurston's model geometries under the KK-flow.
method Defining and studying the KK-flow on 3-dimensional Riemannian manifolds, using a DeTurck-type argument for short-time existence.
result The KK-flow shrinks or preserves homogeneous spheres, showing short-time existence.

Study shows continuity and geometric regularity of Kähler-Ricci flow blow-up limits.

problem Geometric regularity of blow-up limits of the Kähler-Ricci flow.
method Established geometric regularity for Type I blow-up limits based on sequences of Ricci vertices.
result The limiting flow is continuous in time in Gromov-Hausdorff and Gromov-W1W_1 distance.

By applying the theory of group-invariant solutions we investigate the symmetries of Ricci flow and hyperbolic geometric flow both on Riemann surfaces. The warped products on Sn+1\mathcal {S}^{n+1} of both flows are also studied.

2010-01-09abs ↗pdf ↗

Donaldson's question answered for Fano manifolds using geometric flow and multiplier ideal sheaves.

problem Achieving the lower bound of the Calabi functional for Fano manifolds.
method Optimizing stability indicators via geometric flow and multiplier ideal sheaves.
result The stability indicator is optimized by multiplier ideal sheaves of weak geodesic rays.

Study equidistribution for flows on geometrically finite convergence group actions.

problem Counting, mixing and equidistribution for flows on geometrically finite convergence group actions.
method Establishing results for finite BMS measures on flow spaces associated to geometrically finite convergence group actions.
result Results apply to flow spaces associated to relatively Anosov groups.

This paper uses combinatorial Ricci flow to tackle Thurston's triangulation conjecture.

problem Thurston's triangulation conjecture for hyperbolic 3-manifolds.
method Combinatorial Ricci flow approach to prove convergence and geometric decompositions.
result Combinatorial Ricci flow converges if and only if the triangulation is geometric.

Geometric inequalities for static convex domains in hyperbolic space proved.

problem Proving geometric inequalities for static convex domains in hyperbolic space.
method Using static convexity of flow hypersurfaces, new inequalities are derived.
result New family of geometric inequalities for static convex domains in hyperbolic space.