Research
On-device research index

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

Trend · papers per month

55111166221 · Jun 202619922001200920172026
48 results for prescribed scalar 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 ↗

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.

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.

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 of prescribing scalar curvature and mean curvature on compact manifolds with boundary.

problem Prescribing scalar curvature and mean curvature on compact manifolds with boundary.
method Introducing singular metrics inspired by previous work on closed manifolds, proving rigidity results for flat manifolds with totally geodesic boundary.
result Generic scalar-flat manifolds with minimal boundary can have scalar curvature and mean curvature prescribed simultaneously.

The paper explores constant holomorphic d-scalar curvature on specific manifolds.

problem Existence and prescription of constant holomorphic d-scalar curvature.
method Study of closed, connected almost Hermitian manifolds of dimension n6n\geq6.
result Obtained an application and variation formula for a conformal invariant.

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.

Conditions for scalar curvature on compact manifolds under conformal deformation.

problem Finding conditions for scalar curvature functions on compact manifolds.
method Analyzing sufficient and necessary conditions for scalar curvature problems within conformal classes.
result Conditions for scalar curvature functions on various compact manifolds.

Study on prescribing curvature on specific manifolds with negative Gauduchon degree.

problem Prescribing Chern scalar curvatures on compact Hermitian manifolds with negative Gauduchon degree.
method Analysis of geometric flow convergence to obtain existence results.
result Existence results for curvature functions that are nonzero and nonpositive, and sign-changing cases.

Study noncompact manifolds' Chern scalar curvatures, proving existence and multiplicity.

problem Prescribing Chern scalar curvatures on noncompact manifolds.
method Solving a Kazdan-Warner type equation on noncompact non-Kähler manifolds with an analytic condition.
result Established existence results and provided a new proof of multiplicity theorem.

Unified flow approach to curvature problem on specific manifolds.

problem Prescribed Chern scalar curvature problem on compact Hermitian manifolds with negative Gauduchon degree.
method Unified flow approach with conditions on curvature function ff.
result Flow converges to a conformal Hermitian metric with specified curvature.

Study finds infinitely many non-radial solutions for negative scalar curvature in higher dimensions.

problem Prescribing scalar and boundary mean curvature in a ball with negative scalar curvature.
method Analyzes the existence of infinitely many non-radial positive solutions in dimensions 5 and above.
result First existence result for negative scalar curvature in higher dimensions.

Let (Mn,g0)(M^{n},g_{0}) be a n=3,4,5n=3,4,5 dimensional, closed Riemannian manifold of positive Yamabe invariant. For a smooth function K>0K>0 on MM we consider a scalar curvature flow, that tends to prescribe KK as the scalar curvature of a metric gg conformal to g0g_{0}. We show global existence and in case MM is not confo…

2015-09-02abs ↗pdf ↗

Researchers examine global properties of a scalar curvature functional to solve the prescribed Ricci curvature problem.

problem Solving the prescribed Ricci curvature problem for homogeneous metrics.
method Examining global properties of the scalar curvature functional, focusing on its critical points and maximum.
result Conditions for a global maximum of the scalar curvature functional on a general homogeneous space.

Study curvatures on compact pseudo-Hermitian manifolds using special methods.

problem Prescribing Webster scalar curvatures on compact pseudo-Hermitian manifolds.
method Upper and lower solutions, perturbation theory of self-adjoint operators, CR conformal deformations.
result Described sets of Webster scalar curvature functions that can be realized.

The study proves manifold properties related to positive scalar curvature.

problem Proving the non-existence of metrics with positive scalar curvature on certain manifolds.
method Use of generalized soap bubbles and prescribed-mean-curvature functionals.
result Proves non-existence of metrics with positive scalar curvature on specific manifolds.

Solves a problem in Riemannian geometry for scalar-flat metrics with boundary conditions.

problem Finding a conformal metric with zero scalar curvature and prescribed boundary mean curvature.
method Construction of local test functions to resolve open cases and establish new solvability conditions.
result Established new solvability conditions for the problem.

The study of radial prescribing scalar curvature of X.Xu and P.C.Yang [2] in 1993 showed a nonexistence result on S2S^2. Later in 1995, W.Chen and C.Li [2] generalized the nonexistence result to higher dimensions. G.Bianchi and E.Egnell [1] suggested that there may exist some non-negative smooth radial function which c…

2015-03-11abs ↗pdf ↗

The paper solves conditions for prescribing scalar and Gauss curvatures on manifolds with zero first eigenvalue.

problem Conditions for prescribing scalar and Gauss curvatures on manifolds with zero first eigenvalue.
method Local variational methods, local Yamabe-type equations, and monotone iteration scheme.
result The necessary and sufficient conditions for prescribing scalar and Gauss curvatures are established.