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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.

168,695 papers · 148 categories

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20406080 · Jun 202619922001200920172026
48 results for Bochner-Kodaira formulas

New formulas with quadratic curvature terms on Kähler manifolds for Hodge number estimates.

problem Estimating Hodge numbers under weak curvature conditions.
method Established new Bochner-Kodaira formulas with quadratic curvature terms.
result Derivation of Weitzenböck-Bochner-Kodaira formulas with quadratic curvature terms on compact Kähler manifolds.

Eigenvalue estimates for Hodge Laplacian on Fano manifolds lead to geometric insights.

problem Eigenvalue estimates for the Hodge Laplacian on Fano manifolds.
method Application of Bochner-Kodaira formula to study the geometry of Fano manifolds.
result The original Kähler form remains Kähler for deformations, and an explicit Ricci potential is given.

Study estimates the first eigenvalue on Kähler manifolds with specific curvature conditions.

problem Estimating the first eigenvalue of Laplacian on Kähler manifolds with holomorphic sectional curvature constraints.
method Developed a Bochner-Kodaira type identity for holomorphic sectional curvature to prove eigenvalue estimates.
result First eigenvalue of Laplacian on Kähler manifolds is bounded from below under certain curvature conditions.

Study complex structures with perturbed differential operators to compute curvature-like operators and obtain vanishing results.

problem Analyzing complex structures with perturbed differential operators.
method Perturbing the standard differential operator to a first-order operator DηD_η and computing Bochner-Kodaira-Nakano-type formulae.
result Obtained vanishing results for certain harmonic spaces and Dolbeault cohomology.

Motivated by our conjecture of an earlier work predicting the degeneration at the second page of the Frölicher spectral sequence of any compact complex manifold supporting an SKT metric ωω (i.e. such that ˉω=0\partial\bar\partialω=0), we prove degeneration at E2E_2 whenever the manifold admits a Hermitian metric whose t…

2017-09-13abs ↗pdf ↗

The paper studies spectral analysis on complex spaces and finds explicit formulas for eigensections.

problem Understanding eigensections on complex projective spaces and Grassmannians.
method Using creation and annihilation operators, converting higher energy eigensections to lower energy holomorphic sections.
result Explicit formulas for the dimension of higher-level eigensections on Pn\mathbb{P}^{n}.

The paper proves injectivity and vanishing theorems on compact Kahler manifolds.

problem Injectivity and vanishing theorems on compact Kahler manifolds.
method Hodge theory, Bochner-Kodaira-Nakano identity, analytic method, transcendental method, Demailly-Peternell-Schneider equisingular approximation theorem, Hormander L2 estimates.
result The main injectivity theorem implies several Nadel type vanishing theorems.

Study extends complex sections on non-holomorphic objects on Kähler manifolds.

problem Extension of smooth sections on non-holomorphic objects on Kähler manifolds.
method Use of asymptotically holomorphic line bundles, two twisted Laplace-type operators, and Bochner-Kodaira-Nakano-type inequalities.
result Extensions of smooth sections with control of their L2L^2-norms for non-integrable objects.

The paper improves L2L^2-estimates for Dirac-Dolbeault operators on complex manifolds.

problem Improving L2L^2-estimates for Dirac-Dolbeault operators on complex manifolds.
method Generalized classical method to handle mixed curvature cases and provided bounds on error terms.
result Full asymptotic expansion for Bergman kernel obtained.

The paper proves vanishing theorems for complex line bundles using a new adiabatic limit approach.

problem Vanishing theorems for complex line bundles under specific conditions.
method Generalizes adiabatic limit construction to connections on complex line bundles, proving vanishing theorems.
result Proves vanishing theorems for DD''-cohomology groups under certain conditions.

We prove two tropical gluing formulae for Gromov-Witten invariants of exploded manifolds, useful for calculating Gromov-Witten invariants of a symplectic manifold using a normal-crossing degeneration. The first formula generalizes the symplectic-sum formula for Gromov-Witten invariants. The second formula is stronger, …

2017-03-16abs ↗pdf ↗

The main result of the present paper is a coincidence formula for foliated manifolds. To prove this we establish Kuenneth formula, Poincare duality and intersection product in the context of tangential de Rham cohomology and homology of tangential currents. We apply the formula to get a dynamical Lefschetz formula for …

2003-06-02abs ↗pdf ↗

It has been shown that the Alvarez-Gaumeˊ\mathrm{\acute{e}}-Witten miraculous anomaly cancellation formula in type IIB superstring theory and its various generalizations can be derived from modularity of certain characteristic forms. In this paper, we show that the Green-Schwarz formula and the Schwarz-Witten formula i…

2012-05-03abs ↗pdf ↗

Proves a formula for a special invariant of 4-manifolds.

problem Calculating the Bauer-Furuta invariant for connected sums of 4-manifolds.
method Uses a finite dimensional approximation of the Seiberg-Witten monopole map to derive a formula for the families Bauer-Furuta invariant of a fibrewise connected sum.
result Derives a general connected sum formula for the families Bauer-Furuta invariant.

Formulae for non-symmetric connections derived from covariant derivatives.

problem Deriving commutation formulae for non-symmetric affine connections.
method Covariant derivatives of tensors with respect to symmetric and non-symmetric affine connections.
result Formulae for non-symmetric connections derived from covariant derivatives.

We prove a quasi-Poisson bracket formula for the space of representations of the fundamental groupoid of a surface with boundary, which generalizes Goldman's Poisson bracket formula. We also deduce a similar formula for quasi-Poisson cross-sections.

2013-01-22abs ↗pdf ↗

Paper derives matrix formulae and proves skein relations for non-orientable surfaces in quasi-cluster algebras.

problem Understanding quasi-cluster algebras on non-orientable surfaces.
method Developed matrix formulae and proved skein relations for quasi-cluster variables.
result Laurent expansion and skein relations for quasi-cluster variables on non-orientable surfaces.

Alternative closed-form formula for spread call option prices under log-normal models.

problem Valuation of spread call options under log-normal models.
method Developed an alternative closed-form formula for spread call option prices.
result Our formula performs better for certain range of model parameters than existing closed-form formula.

The paper derives new Gauss-Bonnet formulas for frontal bundles over surfaces with boundary.

problem Deriving new formulas for coherent tangent bundles over surfaces with boundary.
method Defining frontal bundles and applying Gauss-Bonnet theorems to derive formulas.
result Four new Gauss-Bonnet type formulas for frontal bundles are derived.