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Biology & Life Sciences Preprint PDF DOI

PhyloSDF: Phylogenetically-Conditioned Neural Generation of 3D Skull Morphology via Residual Flow Matching

Kaikwan Lau, Gary P. T. Choi · 2026

Generating novel, biologically plausible three-dimensional morphological structures is a fundamental challenge in computational evolutionary biology, hampered by extreme data scarcity and the requirem…

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Mathematics Preprint PDF DOI

The optimal betting wealth growth rate

Ashwin Ram, Aaditya Ramdas · 2026

This paper characterizes the best possible rate of growth of wealth in a Kelly betting game when repeatedly betting against a general i.i.d. null hypothesis $\mathscr{P}$, but the data are drawn i.i.d…

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Economics & Finance Preprint PDF DOI

Efficient Multivariate Kelly Optimization Reveals Sigmoidal Scaling Laws

Ruslan Tepelyan, Daniel Lam · 2026

For a sequence of binary bets, the Kelly criterion provides a closed-form solution that maximizes the expected growth rate of wealth. In contrast, when multiple bets are placed simultaneously (e.g., i…

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Mathematics Preprint PDF DOI

Separation profiles of free products

David Hume · 2026

We deduce from a theorem of Dvorak--Norin that the separation and treewidth profiles of graphs are asymptotically equivalent, resolving a question of Huang--Hume--Kelly--Lam. As an application, we cal…

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Mathematics Preprint PDF DOI

Local regularity for anisotropic magnetic operators with general codimension singularities

Giovanni Siclari, Stefano Vita · 2026

We study local regularity properties of solutions to stationary anisotropic magnetic Schr\"odinger equations in $\mathbb{R}^d$, $d \ge 2$, arising from singular magnetic potentials concentrated along …

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Mathematics Preprint PDF DOI

A Bornological Perspective on the Representability of Derived Moduli Stacks of Solutions to PDEs

Rhiannon Savage · 2026

Proving representability of derived moduli stacks of solutions to non-linear elliptic partial differential equations generally requires significant analytic machinery. In this paper, we instead show t…

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Mathematics Preprint PDF DOI

Cumulative Euler flows

Helge Kristian Jenssen · 2026

We consider the compressible Euler system for ideal gas flow in the absence of any forces except the internal thermodynamic pressure. In this setting, and in dimensions higher 1, it is known that …

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Mathematics Preprint PDF DOI

Minimal $a$-numbers of Artin--Schreier covers of ordinary curves

Bryden Cais, Douglas Ulmer · 2026

Let $k$ be a perfect field of characteristic $p>0$, and let $d$ be a positive integer not divisible by $p$. We define a non-empty Zariski open subset $U$ of the space of polynomials of degree $d$, and…

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Mathematics Preprint PDF DOI

On colorful generalizations of the Goodman--Pollack transversal problem

Nikola Sadovek · 2026

We establish a colorful, and more generally matroidal, solution to the problem of Goodman and Pollack on the existence of an $\mathbb{F}$-affine $k$-dimensional transversal to a family of convex sets …

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Computer Science Preprint PDF DOI

Automatic constraint satisfaction problem

Andrei Bulatov, Xiaoyang Gong, Bakh Khoussainov, Xinyao Wang · 2026

We study constraint satisfaction problems (CSPs) where the constraint languages are defined by finite automata, giving rise to automata-based CSPs. The key notion is the concept of Automatic Constrain…

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Mathematics Preprint PDF DOI

Implementing the biset category of finite groups

Mohamed Barakat, Marc Talleux, Fabian Zickgraf · 2026

We describe an implementation of the biset category of finite groups as a tower of standard categorical constructions, all of which are implemented in the software project CAP for algorithmic category…

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Mathematics Preprint PDF DOI

Schauder estimates and classical solutions of the Dirichlet problem for stochastic parabolic equations

Kai Du · 2026

We study second-order stochastic parabolic equations in a cylindrical domain with homogeneous Dirichlet boundary conditions. Under a natural compatibility condition on the gradient noise, we establish…

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Mathematics Preprint PDF DOI

Automorphism groups of hyperelliptic curves of $2$-rank zero

Kohtaro Yamaguchi, Shushi Harashita · 2026

In this paper, we determine the reduced automorphism groups of hyperelliptic curves of a small genus in characteristic $2$, when they are of $2$-rank $0$. Such a curve is an Artin-Schreier curve defin…

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AI & Data Science Preprint PDF DOI

PCM-NeRF: Probabilistic Camera Modeling for Neural Radiance Fields under Pose Uncertainty

Shravan Venkatraman, Rakesh Raj Madavan, Pavan Kumar Sathya Venkatesh · 2026

Neural surface reconstruction methods typically treat camera poses as fixed values, assuming perfect accuracy from Structure-from-Motion (SfM) systems. This assumption breaks down with imperfect pose …

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Mathematics Preprint PDF DOI

Exact Finite-Horizon Quantile Kelly for Repeated Multi-Outcome Events

Christopher D. Long · 2026

We formulate and prove an exact finite-horizon quantile theorem for repeated identical multi-outcome Kelly wagering in wealth-profile / Arrow--Debreu coordinates. For a fixed $m$-outcome event repeate…

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Economics & Finance Preprint PDF DOI

Risk-Sensitive Investment Management via Free Energy-Entropy Duality

Sebastien Lleo, Wolfgang Runggaldier · 2026

We study a benchmarked risk-sensitive portfolio problem in a factor-based setting to bring together three strands of the literature: benchmarked risk-sensitive investment management, the Kuroda-Nagai …

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Physics Preprint PDF DOI

Upper bound of ejecta mass in a nova outburst

Izumi Hachisu, Mariko Kato · 2026

We present the maximum ejecta mass $(M_{\rm ej})_{\rm max}$ and the maximum ratio of ejecta mass and accreted mass $(M_{\rm ej}/M_{\rm acc})_{\rm max}$ of a nova for various white dwarf (WD) masses ($…

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Mathematics Preprint PDF DOI

Internal structures in the category of right-preordered groups

Aubril Ony · 2026

We show that the category of (right-)preordered groups is a quasivariety of universal algebras by giving explicit axioms. We then look at lattices of effective equivalence relations, which turn out to…

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Mathematics Preprint PDF DOI

Fourier Dimension in Inhomogeneous Duffin--Schaeffer Conjecture

Bo Tan, Qing-Long Zhou · 2026

Let \(Q \subseteq \mathbb{N}\) be a subset, and let \(\psi\colon \mathbb{N} \to [0, \tfrac{1}{2})\), \(\theta\colon \mathbb{N} \to \mathbb{R}\) be functions. Let \(\{A_q\}\) and \(\{B_q\}\) be sequenc…

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Mathematics Preprint PDF DOI

Stably Determining a generalised Impedance Obstacle from a Single Far-Field Pattern

Huaian Diao, Hongyu Liu, Longyue Tao · 2026

Inverse scattering focuses on recovering unknown scatterers from wave measurements. A fundamental challenge is determining whether an inverse obstacle problem can be resolved from a single far-field m…

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