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.

169,051 papers · 148 categories

Trend · papers per month

12.5%25.0%37.5%50.0% · Jul 199319922001200920182026
48 results for intermediate surfaces

Investigate pseudoconvexity of locally trivial holomorphic ball bundles over compact Riemann surfaces.

problem Pseudoconvexity of locally trivial holomorphic ball bundles over compact Riemann surfaces.
method Prove that any such bundle is 1-convex, while its complement is n-convex.
result Prove that any such bundle is 1-convex, while its complement is n-convex.

We investigate bi-Hermitian metrics on compact complex surfaces with odd first Betti number producing new examples with connected anti-canonical divisor using the general construction of \cite{abd15}. The result is a complete classification for all \it unbranched \rm Kato surfaces and a classification up to logarithmic…

2016-07-01abs ↗pdf ↗

Paper investigates reflection principles for zero mean curvature surfaces in isotropic 3-space.

problem Investigating reflection principles for zero mean curvature surfaces in isotropic 3-space.
method Analyzes reflection principles for zero mean curvature surfaces in I3\mathbb{I}^3.
result Shows a reflection principle for isotropic line segments on zero mean curvature surfaces in I3\mathbb{I}^3.

The study finds a way to create minimal surfaces with specific shapes in 3-manifolds.

problem Creating minimal surfaces with prescribed genus in 3-manifolds with positive Ricci curvature.
method Develops a min-max theory and shows deformability of surfaces in a generic metric.
result Establishes a theorem for producing minimal surfaces with prescribed genus.

The compact curves of an intermediate Kato surface SS form a basis of H2(S,Q)H^2(S,\mathbb Q). We present a way to compute the associated rational coefficients of the first Chern class c1(S)c_1(S). We get in particular a simple geometric obstruction for c1(S)c_1(S) to be an integral class, or equivalently index(S)=1(S)=1. We also f…

2014-06-09abs ↗pdf ↗

This paper generalizes the envelope of mid-lines to intermediate lines for a plane curve.

problem Understanding the envelope of intermediate lines for a plane curve.
method Using singularity theory techniques to analyze the local behavior of the envelope of intermediate lines.
result The envelope of intermediate lines (EILEIL) is formed by three disconnected sets: AEIL, the curve itself, and IPTL.

Given a completely arbitrary surface, whether or not it has bounded curvature, or even whether or not it is complete, there exists an instantaneously complete Ricci flow evolution of that surface that exists for a specific amount of time [GT11]. In the case that the underlying Riemann surface supports a hyperbolic metr…

2013-02-22abs ↗pdf ↗

The study connects manifold topology to metrics with positive intermediate curvature.

problem Understanding the relationship between manifold topology and metrics with positive intermediate curvature.
method Formulated a conjecture and proved it for specific dimensions and conditions.
result Closed, aspherical 6-manifolds cannot admit metrics with positive 4-intermediate curvature.

New rigidity results for manifolds with maximal symmetry rank and positive intermediate Ricci curvature.

problem Understanding the structure of manifolds with maximal symmetry rank and positive intermediate Ricci curvature.
method Recovering stronger topological rigidity results using higher intermediate Ricci curvatures and nontrivial fundamental groups.
result Stronger topological rigidity results for manifolds with maximal symmetry rank and positive intermediate Ricci curvature.

Constructs correspondences on hyperelliptic surfaces combining orbifold groups and Blaschke products.

problem Combining geometric and dynamical properties on hyperelliptic surfaces.
method Analytic combinations on Riemann sphere, algebraic characterization, and Teichmüller spaces.
result Explicit description of correspondences and injection into Hurwitz spaces.

Study on spaces of metrics with intermediate curvature bounds.

problem Understanding spaces of metrics with lower bounds on intermediate curvatures.
method Analyzing spaces of Riemannian metrics with specific curvature bounds on high-dimensional Spin-manifolds.
result Spaces of metrics with positive p-curvature and k-positive Ricci curvature have non-trivial homotopy groups.

Extends Perelman's theorem to positive intermediate curvature conditions.

problem Positive intermediate curvature conditions and their implications.
method Generalization of Perelman's gluing theorem to positive intermediate curvature conditions.
result Observer moduli space can have non-trivial higher homotopy groups.

The study proves that certain manifolds with boundary cannot have metrics with positive intermediate curvatures.

problem Proving the nonexistence of metrics with positive intermediate curvatures on manifolds with boundary.
method Curvature obstruction theorems for manifolds with boundary.
result Topologically nontrivial compact manifolds with boundary cannot have metrics of positive mm-intermediate curvature if the boundary is mm-convex.

We study the regularized determinant of the Laplacian as a functional on the space of Mandelstam diagrams (noncompact translation surfaces glued from finite and semi-infinite cylinders). A Mandelstam diagram can be considered as a compact Riemann surface equipped with a conformal flat singular metric ω2|ω|^2, where ωω

2013-12-01abs ↗pdf ↗

LIT compresses deep networks by training intermediate representations, outperforming traditional methods.

problem Reducing the computational overhead of deep network inference.
method LIT trains a student model with the same width but shallower depth, using the intermediate representations from the teacher model.
result LIT achieves substantial network depth reductions without accuracy loss, outperforming traditional methods.

Study finds metrics with positive intermediate Ricci curvature on specific low-dimensional manifolds.

problem Existence of invariant metrics with positive intermediate Ricci curvature on low-dimensional cohomogeneity one manifolds.
method Construction of invariant metrics with positive intermediate Ricci curvature on specific manifolds.
result Invariant metrics with positive 4th-intermediate Ricci curvature exist but not for 3rd-intermediate Ricci curvature on certain manifolds.

Symmetry rank bound for manifolds with positive intermediate Ricci curvature.

problem Bounding the symmetry rank of manifolds with positive intermediate Ricci curvature.
method Local argument and effective isometric action on manifolds.
result Symmetry rank bound rn+k2floorr \leq \lfloor \frac{n+k}{2} floor for positive intermediate Ricci curvature.

Sharp dimension constraints for positive intermediate curvature metrics are established.

problem Proving sharp dimension constraints for metrics with positive intermediate curvature.
method Constructing counterexamples and extending rigidity results.
result Sharp dimension constraints for positive intermediate curvature metrics are established.

This paper introduces a novel approach to measuring privacy risks in deep computer vision models based on intermediate outputs.

problem The exposure of intermediate results in hidden layers of deep computer vision models poses significant privacy concerns.
method The approach leverages Degrees of Freedom (DoF) to evaluate the amount of information retained in each layer and combines this with the rank of the Jacobian matrix to assess sensitivity to input variations.
result The proposed framework provides deeper insights into privacy risks associated with intermediate representations without requiring adversarial attack simulations.

The paper proves manifold splitting theorems with nonnegative intermediate curvature.

problem Proving rigidity results for manifolds with nonnegative intermediate curvatures.
method New recursion theorem for spectral intermediate curvatures and cylindrical splitting theorems.
result Smooth metrics with uniformly positive intermediate curvature constructed.

A framework to explain decoder-only sequence classification models using intermediate predictions.

problem Explaining predictions of decoder-only sequence classification models.
method Progressive Inference framework with Single Pass-Progressive Inference and Multi Pass-Progressive Inference methods.
result Significantly better attributions compared to prior work on text classification tasks.

Polyhedral semantics for intermediate logics; Nerve Criterion ensures completeness.

problem Characterize polyhedrally-complete intermediate logics.
method Developed Nerve Criterion to characterize polyhedrally-complete logics combinatorially.
result Nerve Criterion provides a necessary and sufficient condition for polyhedrally-completeness.

The paper models asset prices using Wiener chaos expansions for efficient calibration to implied volatility surfaces.

problem Calibrating to implied volatility surfaces using flexible martingale models.
method Constructing an over-parameterized martingale model based on Wiener chaos expansions and conditional expectations.
result The method enables fast calibration to implied volatility surfaces and demonstrates flexibility through numerical experiments.

Gradual domain adaptation improves model transfer between domains with intermediate training.

problem Challenges in unsupervised domain adaptation when distribution shifts are large.
method Gradual self-training using intermediate domains along the Wasserstein geodesic.
result GOAT framework generates intermediate domains for improved adaptation.

Study shows Gromov's Betti number bound fails for certain intermediate Ricci curvatures.

problem Gromov's Betti number bound for sectional curvature bounded below does not hold for intermediate Ricci curvatures.
method Established a surgery result for Riemannian metrics with Rick>0Ric_k>0 and showed failure of Gromov's bound for specific ranges of kk.
result Gromov's Betti number bound fails for Rick>0Ric_k>0 when n/2floor+2kn1\lfloor n/2 floor+2 \le k \le n-1.

Study analyzes financial intermediation costs in decentralized lending protocols.

problem Understanding the cost of financial intermediation in decentralized lending protocols.
method Analysis of publicly available data on rates, supply, borrow activity, and accounts.
result Ex-post margins are 1% and lower for stablecoin markets.

Improved U-Nets with various intermediate blocks enhance singing voice separation.

problem Improving singing voice separation accuracy using U-Net architectures.
method Implemented and compared U-Nets with different intermediate spectrogram transformation blocks.
result A specific block type achieves state-of-the-art SDR by 0.9 dB.

Study on Lee classes of complex surfaces, proving connectedness and bounds.

problem Understanding Lee classes of complex surfaces with LCS structures.
method Analyzing deRham classes of Lee 1-forms and using properties of PSH functions.
result Connectedness of Lee deRham classes and explicit negative upper bound on hyperbolic Kato surfaces.