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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.

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48 results for Prescribed curvature

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.

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.

The paper constructs surfaces with prescribed mean curvature in a specific space.

problem Finding surfaces with a given mean curvature in a particular geometric space.
method Phase plane analysis to construct entire rotational graphs and catenoid-type surfaces.
result Classification result for surfaces with linearly prescribed mean curvature.

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.

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 ↗

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 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.

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 ↗

Study of prescribed mean curvature flow on noncompact hypersurfaces in Lorentz manifolds.

problem Short time existence and long time existence of prescribed mean curvature flow on noncompact spacelike hypersurfaces.
method Finding sufficient conditions for short time existence and discussing long time existence and convergence.
result Sufficient conditions for short time existence of prescribed mean curvature flow on noncompact spacelike hypersurfaces.

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.

We construct a twin correspondence between graphs with prescribed mean curvature in three-dimensional Riemannian Killing submersions and spacelike graphs with prescribed mean curvature in three-dimensional Lorentzian Killing submersions. Our duality extends the Calabi correspondence between minimal graphs in the Euclid…

2013-01-30abs ↗pdf ↗

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 investigates prescribing Chern scalar curvatures on specific manifolds.

problem Prescribing Chern scalar curvatures on noncompact Hermitian manifolds with nonpositive curvatures.
method Establishes existence results and sufficient conditions for negative curvature metrics.
result Obtains sufficient conditions for the existence of a constant negative Chern scalar curvature metric.

Classification of surfaces with prescribed mean curvature in Heisenberg space and SL2(R).

problem Surfaces with prescribed mean curvature in Heisenberg space and SL2(R).
method Classification result for rotational surfaces with prescribed mean curvature.
result Existence of embedded tori as counterexamples to the Alexandrov problem.

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 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.

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 ↗

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.

We use a phase space analysis to give some classification results for rotational hypersurfaces in Rn+1\mathbb{R}^{n+1} whose mean curvature is given as a prescribed function of its Gauss map. For the case where the prescribed function is an even function in Sn\mathbb{S}^n, we show that a Delaunay-type classification hold…

2019-02-25abs ↗pdf ↗

Mean curvature flow converges to a translating soliton with prescribed contact angle.

problem Mean curvature flow with contact angle constraints in non-Euclidean settings.
method Existence proof using translating solitons and bounds on convexity and Ricci curvature.
result Graphical solutions converge to a translating soliton as time goes to infinity.

Proves existence and uniqueness of metrics with negative curvature and singularities on compact surfaces.

problem Existence and uniqueness of conformal metrics with negative curvature and singularities.
method Proves existence and uniqueness of conformal metrics with negative curvature and singularities on compact surfaces.
result Existence and uniqueness of conformal metrics with negative curvature and singularities on compact surfaces.

In this paper, we consider the problem of prescribing scalar curvature on n-sphere. Assume that the candidate curvature function ff, which is allowed to change sign, satisfies some kind of Morse index or symmetry condition. By studying the well-known scalar curvature flow, we are able to prove that the flow converges …

2017-05-26abs ↗pdf ↗

Study rotational surfaces with prescribed Gauss curvature in 3D space.

problem Classify and analyze rotational surfaces with prescribed Gauss curvature.
method Phase plane analysis and mild assumptions on the prescribed function.
result Existence of singular radial solutions intersecting orthogonally the axis of rotation.

Study proves existence and nonexistence for annular surfaces with specific curvature and boundary.

problem Existence and nonexistence of annular surfaces with prescribed mean curvature.
method Proves existence and nonexistence results for normal graphs of unduloids or nodoids.
result Existence and nonexistence results for annular type surfaces with prescribed mean curvature.

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.

Let MM be a quasi-Fuchsian three-manifold that contains a closed incompressible surface with principal curvatures within the range of the unit interval, for a prescribed function HH (with mild conditions) on MM, we construct a closed incompressible surface with mean curvature HH . A direct application is the existe…

2010-03-08abs ↗pdf ↗

Compact capillary hypersurfaces with specific curvatures are proven.

problem Proving compactness of capillary hypersurfaces with prescribed mean curvature.
method Extending curvature varifolds to oriented integral varifolds and applying curvature varifolds with capillary boundary.
result Compactness result for capillary hypersurfaces with mean curvature prescribed by ambient functions.