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Mathematics Preprint PDF DOI

On the monotonicity of affine quermassintegrals

Shibing Chen, Yuanyuan Li, Xianduo Wang · 2026

Lutwak's affine quermassintegral theory is a foundational component of modern affine Brunn--Minkowski theory. Developed in the 1980s, it provides affine analogues of the classical quermassintegrals an…

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Mathematics Preprint PDF DOI

Weighted weak type $(1,1)$ estimates for oscillatory singular integrals with Dini kernels

Shuichi Sato · 2026

We consider $A_1$-weights and prove weighted weak type $(1,1)$ estimates for oscillatory singular integrals with kernels satisfying a Dini condition.…

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Physics Preprint PDF DOI

Dynamical masses of young stellar objects with the VLBA: DYNAMO-VLBA: Radio binary stars in Orion

Sergio A. Dzib, Jazmin Ordonez-Toro, Laurent Loinard, Marina Kounkel, Gisela Ortiz-Leon, Phillip A. B. Galli, Luis F. Rodriguez, Amy J. Mioduszewski, Josep M. Masque, Eoin O'Kelly, Jan Forbrich, Karla Moo-Herrera · 2026

We present results from a multi-epoch Very Long Baseline Array (VLBA) survey conducted as part of the DYNAMO-VLBA project, aimed at measuring the dynamical masses of young stellar systems in the Orion…

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Mathematics Preprint PDF DOI

Stability under product and composition for uniform Carleman asymptotic expansions

Javier Jimenez-Garrido, Ignacio Miguel-Cantero, Javier Sanz, Gerhard Schindl · 2026

We study the stability under point-wise product and under composition in Carleman classes of holomorphic functions, defined on sectors of the Riemann surface of the logarithm, and admitting a uniform …

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Mathematics Preprint PDF DOI

The equivalence between timelike Ricci curvature and the timelike Brunn Minkowski inequality on synthetic Lorentzian spaces

Osama Farooqui · 2026

We introduce the strong $q$-timelike Brunn-Minkowski condition $\mathsf{sTBM}_q(K,N)$ on synthetic Lorentzian spaces, for $0<q<1$. We show that, in the timelike $q$-essentially non-branching setting, …

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Mathematics Preprint PDF DOI

Boundary estimates for parabolic non-divergence equations in $C^1$ domains

Pedra D. S. Andrade, Clara Torres-Latorre · 2026

We obtain boundary nondegeneracy and regularity estimates for solutions to non-divergence form parabolic equations in parabolic $C^1$ domains, providing explicit moduli of continuity. Our results exte…

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Mathematics Preprint PDF DOI

Rigidity of the Borell-Brascamp-Lieb Inequality on Weighted Riemannian Manifolds

Rongkai Zhang · 2026

In this paper we discuss some results regarding the rigidity of the Borell-Brascamp-Lieb inequality and the Brunn-Minkowski inequality. We show a theorem of rigidity on curvature and measure of the Bo…

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Physics Preprint PDF DOI

Twists in the flow: revisiting convective mixing in rotating stellar models. I. Effect on the stellar structure

Poojan Agrawal, Aaron Dotter, Conny Aerts, Leila Bessila, Stephane Mathis · 2026

Convection and rotation are both key processes in stellar evolution modelling. While standard mixing-length theory (MLT) provides a widely used modelling of convection, it neglects the effects of rota…

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Mathematics Preprint PDF DOI

A Brunn-Minkowski inequality for Schr\"odinger operators with Kato class potentials

Alessandro Carbotti · 2026

In this paper we prove a Brunn-Minkowski inequality for the first Dirichlet eigenvalue of a Schr\"odinger type operator $\mathcal{H}_V:=-\operatorname{div}(A\nabla)+V$, where $V$ is convex and Kato de…

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Economics & Finance Preprint PDF DOI

Carbon Regulation and Competition in the European Airline Industry

Ertian Chen, Lichao Chen, Lars Nesheim · 2026

The European Union Emissions Trading System is set to substantially increase the effective carbon price faced by airlines. To quantify the impact of this carbon regulation on the European airline indu…

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Mathematics Preprint PDF DOI

Comparison theory for Lipschitz spacetimes

Mathias Braun, Marta Salamo Candal · 2026

We prove a globally hyperbolic spacetime with locally Lipschitz continuous metric and timelike distributional Ricci curvature bounded from below obeys the timelike measure contraction property. The re…

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Mathematics Preprint PDF DOI

Coarea reduction, transfer, and geometric recomposition for synchronized singular forms

Vicente Vergara · 2026

We study truncated bilinear forms associated with synchronized kernels \[ K(x,y)=k(\phi(x),\psi(y)), \] where the singularity is governed by a one-dimensional kernel $k$, while the geometry is…

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Mathematics Preprint PDF DOI

The shifted bilinear Hilbert transform

Lars Becker, Polona Durcik · 2026

We prove $L^p$ estimates for the shifted bilinear Hilbert transform, with a polylogarithmic bound in the size of the shift. As applications, we obtain $r$-variation estimates for bilinear ergodic aver…

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Physics Preprint PDF DOI

Stabilizer Formalism for EAQECCs with Noise ebits

Ruihu Li, Guanmin Guo, Yang Liu, Hao Song · 2026

We introduce a stabilizer formalism for EAQECCs with noise ebits, using special subgroups of product groups of two Pauli groups. This formalism includes the two coding schemes,given by Lai and Brun (C…

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Mathematics Preprint PDF DOI

Remarks on Brunn-Minkowski-type inequalities related to the Ornstein-Uhlenbeck operator

Francisco Marin Sola, Francesco Salerno · 2026

We investigate Brunn-Minkowski-type inequalities for the torsional rigidity $T_\gamma$ and the first eigenvalue $\lambda_\gamma$ associated with the Ornstein-Uhlenbeck operator. Counterexamples are pr…

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Mathematics Preprint PDF DOI

Mahler's method and Carlitz logarithm

Guillaume Estienne · 2026

In 2007, Papanikolas established that if Carlitz logarithms of algebraic functions are linearly independent over the rational function field, then they are algebraically independent. The purpose of th…

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Computer Science Preprint PDF DOI

WarPGNN: A Parametric Thermal Warpage Analysis Framework with Physics-aware Graph Neural Network

Haotian Lu, Jincong Lu, Sachin Sachdeva, Sheldon X.-D. Tan · 2026

With the advent of system-in-package (SiP) chiplet-based design and heterogeneous 2.5D/3D integration, thermal-induced warpage has become a critical reliability concern. While conventional numerical a…

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Economics & Finance Preprint PDF DOI

The Role of Data and Metrics in Measuring Inequality Worldwide. A Tribute to Giovanni Andrea Cornia's Lifelong Work on the World Ginis

Lidia Ceriani, Paolo Verme · 2026

This paper pays tribute to Professor Giovanni Andrea Cornia's lifelong contributions to the measurement of global inequality. We review twelve world and regional databases of the Gini coefficient, ill…

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Mathematics Preprint PDF DOI

Quantitative Stability for Minkowski's problem

Karoly Boroczky, Joao Miguel Machado, Joao P. G. Ramos · 2026

We derive quantitative stability results for Minkowski bodies, as well as their counterparts, the $L_p$-Minkowski bodies in the range $1 \le p \neq n$. We prove that, for every pair of probability mea…

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Physics Preprint PDF DOI

Riemannian gradient descent for Hartree-Fock theory

Evgueni Dinvay · 2026

We present a Riemannian optimization framework for Hartree-Fock theory formulated directly in the Sobolev space $H^1$. The orthonormality constraints are interpreted geometrically via infinite-dimensi…

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