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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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48 results for prescribing problem

Study convex capillary hypersurfaces with prescribed curvature in a spherical cap.

problem Prescribed curvature problem for convex capillary hypersurfaces.
method Reformulated as Hessian quotient equation with Robin boundary condition.
result Existence of strictly convex capillary hypersurface with prescribed curvature.

Paper solves Dirichlet problem for pp-convex hypersurfaces with curvature constraints.

problem Solving the Dirichlet problem for pp-convex hypersurfaces with prescribed curvature.
method Proved existence of a graphic hypersurface satisfying the prescribed curvature equation with homogeneous boundary condition, obtained an interior curvature estimate.
result Existence of a graphic hypersurface satisfying the prescribed curvature equation with homogeneous boundary condition.

Study eigenvalues for special curvature equations on star-shaped surfaces.

problem Eigenvalue problem for prescribed curvature equations on star-shaped, k-convex hypersurfaces.
method Established existence of a unique eigenvalue and hypersurface through uniform estimates in p for Lp-type equations.
result Existence of a unique eigenvalue and associated hypersurface under certain conditions.

Paper solves degenerated circle pattern metric problem in spherical geometry.

problem Existence and rigidity of (degenerated) circle pattern metrics with prescribed total geodesic curvatures.
method Defined prescribed combinatorial Ricci flows and studied their convergence.
result First degenerated result for total geodesic curvatures in spherical background geometry.

Solves curvature problems on manifolds with negative curvature.

problem Prescribed curvature problems on closed manifolds with negative curvature.
method Investigates fully nonlinear prescribed curvature problems for modified Schouten tensor on closed Riemannian manifolds with negative curvature.
result Proves solvability of curvature problems under certain conditions.

Study local curvature estimates and existence of conformal metrics on noncompact manifolds.

problem Deriving local C0C^0-estimates and existence of conformal metrics with prescribed curvature.
method Utilizing Aviles-McOwen's result and its nonlinear extension, combined with asymptotic conditions.
result Proved existence of complete conformal metrics with prescribed curvature functions.

Paper estimates curvature of convex hypersurfaces with prescribed curvature.

problem Estimating curvature of pp-convex hypersurfaces with prescribed curvature.
method Establishes curvature estimates for pp-convex hypersurfaces in Rn+1\mathbb{R}^{n+1} with pn2p \geq \frac{n}{2}.
result Proves existence of star-shaped hypersurface of prescribed curvature and interior C2C^2 estimates.

Solves modified Schouten tensor problems in conformal metric classes.

problem Prescribed problems for modified Schouten tensors in conformal classes of metrics.
method Uniform ellipticity confirmation under topological and functional constraints.
result Extends results from previous work on smooth complete metrics.

In this work, we study the Yamabe flow corresponding to the prescribed scalar curvature problem on compact Riemannian manifolds with negative scalar curvature. The long time existence and convergence of the flow are proved under appropriate conditions on the prescribed scalar curvature function.

2017-05-19abs ↗pdf ↗

Paper solves Gauduchon scalar curvature problem on almost Hermitian manifolds.

problem Prescribed Gauduchon scalar curvature problem on almost Hermitian manifolds.
method Reduced to solving a semi-linear partial differential equation with exponential nonlinearity using super and sub-solution method.
result Existence of solution depends on the sign of a constant associated to Gauduchon degree.

Utilizing a weight matrix we study surfaces of prescribed weighted mean curvature which yield a natural generalisation to critical points of anisotropic surface energies. We first derive a differential equation for the normal of immersions with prescribed weighted mean curvature, generalising a result of Clarenz and vo…

2007-11-15abs ↗pdf ↗

Existence of convex body with prescribed generalized curvature measures is discussed, this result is obtained by making use of Guan-Li-Li's innovative techniques. In surprise, that methods has also brought us to promote Ivochkina's C2C^2 estimates for prescribed curvature equation in \cite{I1, I}.

2011-04-27abs ↗pdf ↗

Study optimal partition problem for Q-curvature equations on Einstein manifolds.

problem Optimal partition problem for prescribed Q-curvature equation.
method Cohomogeneity one actions, higher order conformal operators, weakly coupled elliptic systems.
result Existence and multiplicity of least energy symmetric and sign-changing solutions.

Study on tt-graphs with prescribed mean curvature in Heisenberg groups.

problem Existence and uniqueness of tt-graphs with prescribed mean curvature.
method Characterization of classical solutions without Dirichlet boundary data, conditions for uniqueness, approximation technique for non-constant mean curvature.
result Conditions for existence and uniqueness of tt-graphs in Heisenberg groups.

Study of metrics with prescribed curvature and geodesic curvature on a disc.

problem Existence and behavior of conformal metrics with prescribed curvature and boundary geodesic curvature.
method Variational characterization and gradient flow approach.
result Existence of solutions or blow-up to a spherical cap, leading to existence results via shadow flow.

Paper solves Christoffel-Minkowski and Weingarten curvature problems in hyperbolic space.

problem Christoffel-Minkowski and Weingarten curvature problems in hyperbolic space.
method Proved existence of solutions using a new full rank theorem.
result Existence of smooth, origin-symmetric, strictly horospherically convex solutions.

The paper solves curvature problems on infinite hyperbolic surfaces.

problem Prescribed curvature flow on hyperbolic surfaces with infinite topological type.
method Introduced a prescribed curvature flow adapted to infinite cellular decompositions.
result Established well-posedness of the flow and proved convergence under certain conditions.

Constructs hyperspheres with prescribed mean curvature in Euclidean space.

problem Creating hyperspheres with a specific curvature in Euclidean space.
method Constructs families of smooth functions to fill Euclidean space with hyperspheres of prescribed mean curvature.
result Euclidean space can be filled with hyperspheres of prescribed mean curvature.

Paper explores prescribing Chern scalar curvatures on noncompact Hermitian manifolds.

problem Prescribing Chern scalar curvatures on complete noncompact Hermitian manifolds.
method Generalizes Aviles-McOwen's existence results to higher-dimensional Hermitian manifolds.
result Existence results for Chern scalar curvatures on Hermitian manifolds.

Let (M,g)(M, g) be a compact Riemannian manifold of dimension N5N \geq 5 and QgQ_g be its QQ curvature. The prescribed QQ curvature problem is concerned with finding metric of constant QQ curvature in the conformal class of gg. This amounts to finding a positive solution to \[ P_g (u)= c u^{\frac{N+4}{N-4}}, u>0 {on} …

2009-03-20abs ↗pdf ↗

Paper investigates curvature problems and existence of solutions.

problem Existence of admissible solutions to curvature problems.
method Investigates curvature problems with prescribed LpL_p quotient type, proving existence under specific conditions.
result Proves existence of admissible solutions without additional conditions.

The paper tackles prescribing discrete Gaussian curvature on polyhedral surfaces.

problem Prescribing discrete Gaussian curvature on polyhedral surfaces.
method Discrete conformal theory and variational principles with constraints.
result Proves Kazdan-Warner type theorems for polyhedral surfaces.

Making use of integral representations, we develop a unified approach to establish blow up profiles, compactness and existence of positive solutions of the conformally invariant equations Pσ(v)=Kvn+2σn2σP_σ(v)= Kv^{\frac{n+2σ}{n-2σ}} on the standard unit sphere Sn\mathbb{S}^n for all σ(0,n/2)σ\in (0,n/2), where PσP_σ is the intertwining …

2014-11-21abs ↗pdf ↗