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Mathematics Preprint PDF DOI

Rational curves on cubic hypersurfaces in positive characteristic

Natsume Kitagawa · 2026

We study the moduli spaces of rational curves on cubic hypersurfaces in characteristic $\neq2,3$. As a result, we prove that for every integer $d\geq1$ the Kontsevich moduli space of stable maps on a …

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Mathematics Preprint PDF DOI

Conic locus of inversive Poncelet circumcenter and two points of invariant circle power

Ronaldo Garcia, Shmuel Mark Helman, Dan Reznik · 2026

We prove that over a generic Poncelet triangle family, the locus of the circumcenter of an inversive triangle is a conic. Additionally, we prove an earlier conjecture: over generic Poncelet triangles,…

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Physics Preprint PDF DOI

Quantum Rotors on the Fuzzy Sphere and the Cubic CFT

Andreas Stergiou · 2026

The three-dimensional cubic conformal field theory governs the critical behaviour of Heisenberg magnets with cubic anisotropy. Studying this theory non-perturbatively is challenging, because its most …

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Physics Preprint PDF DOI

Emergent Features in $U(N) \times U(\tilde{N})$ Bi-adjoint Cubic Theory

Lauren Smyth · 2026

This work investigates the role of the $U(N) \times U(\tilde{N})$ global symmetry in tree-level scattering amplitudes of the bi-adjoint $\phi^3$ theory from three perspectives: combinatorics, correlat…

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Mathematics Preprint PDF DOI

Non-Vanishing of Cubic Twists of $GL_n(\mathbb{Q})$ $L$-functions

Sayan Ghosh, Pratim Mitra · 2026

Let $\pi$ be an irreducible, cuspidal automorphic representation of $GL_n(\mathbb{A}_\mathbb{Q})$ ($n\geq 3$), which is tempered only for $n=3$. Let $s$ be a complex number such that $\Re(s)\notin \le…

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AI & Data Science Preprint PDF DOI

Risk-Aware Robust Learning: Reducing Clinical Risk under Label Noise in Medical Image Classification

Maycon R. S. Pereira, Filipe R. Cordeiro · 2026

Noisy labels are a pervasive challenge in medical image classification, where annotation errors arise from inter-observer variability and diagnostic ambiguity. Although several noise-robust learning m…

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Physics Preprint PDF DOI

Method for 3D printing of cubic microbubbles: fully enclosed thin-walled microcavities with ultra-high aspect ratios

Sohail Khan, Zengbo Wang, Qingshan Yang, Liyang Yue · 2026

A microbubble is, in essence, a fully enclosed thin-walled microcavity. Unlike spherical microbubbles formed by expansions, 3D printing enables the free definition of their geometry, allowing precise …

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AI & Data Science Preprint PDF DOI

SOC-ICNN: From Polyhedral to Conic Geometry for Learning Convex Surrogate Functions

Kang Liu, Jianchen Hu · 2026

Classical ReLU-based Input Convex Neural Networks (ICNNs) are equivalent to the optimal value functions of Linear Programming (LP). This intrinsic structural equivalence restricts their representation…

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Mathematics Preprint PDF DOI

$E_6$-local systems from cubic threefolds

Thomas Kramer, Daniel Litt, Marco Maculan · 2026

We produce infinitely many local systems on (level covers of) the moduli space of smooth cubic threefolds, with algebraic monodromy group equal to the exceptional group $E_6$. These local systems aris…

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Mathematics Preprint PDF DOI

Magnetic uncertainty in variable geometry

Luca Fanelli, Yilin Song, Ying Wang, Jiqiang Zheng, Ruihan Zhou · 2026

In this paper, we study Hardy-type uncertainty principles and unique continuation properties for linear covariant Schrodinger equations with variable coefficients in the presence of bounded electric a…

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Mathematics Preprint PDF DOI

Lifting Cubic Realizations of Weak Orders in Types A and B

Daria Poliakova · 2026

We study cubic realizations of posets compatible with projection maps, meaning that the projection is represented by deletion of the last coordinate. For cylindrical projections, we introduce the pre-…

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Mathematics Preprint PDF DOI

p-adic elliptic polylogarithms and cubic Chabauty

Jennifer S. Balakrishnan, Francesca Bianchi, Netan Dogra · 2026

The Chabauty--Coleman--Kim method, under favourable circumstances, describes the set of integral points of a hyperelliptic curve inside the $p$-adic zeroes of certain transcendental functions. For an …

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Mathematics Preprint PDF DOI

G-birationally rigid cubic threefolds

Ivan Cheltsov, Igor Krylov, Sione Ma'u · 2026

We classify pairs $(X,G)$ consisting of a (possibly singular) cubic threefold $X\subset\mathbb{P}^4$ and a finite subgroup $G\subset\mathrm{Aut}(X)$ such that $X$ is $G$-birationally rigid, i.e., $X$ …

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Mathematics Preprint PDF DOI

Existence of small semi-vortex solutions for the cubic nonlinear Schr\"{o}dinger system with Rashba type Spin-Orbit coupling on $\mathbb{R}^2$

Takahisa Inui · 2026

We consider the cubic nonlinear Schr\"{o}dinger system with Rashba type Spin-Orbit coupling (SOC) on $\mathbb{R}^2$, which is also called the Gross--Pitaevskii equation with SOC. The system describes …

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Physics Preprint PDF DOI

Canonical separating coordinates in the generalized cubic H\'enon-Heiles systems

Alessandro Portaluri, Nicola Sottocornola · 2026

We study the three classical integrable generalized cubic H\'enon--Heiles systems -- Kaup--Kupershmidt, KdV$_5$, and Sawada--Kotera -- from the viewpoint of bi-Hamiltonian geometry and separation of v…

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Mathematics Preprint PDF DOI

Beyond the square-root barrier: cubic forms of Perazzo type

Tim Browning, Ritabrata Munshi, Victor Y. Wang · 2026

We show how the circle method can be used to study rational points on a certain cubic fourfold, going beyond the square-root barrier.…

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Biology & Life Sciences Preprint PDF DOI

Meeting times on graphs in near-cubic time

Alex McAvoy · 2026

The expected meeting time of two random walkers on an undirected graph of size $N$, where at each time step one walker moves and the process stops when they collide, satisfies a system of $\binom{N}{2…

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AI & Data Science Preprint PDF DOI

ParamBoost: Gradient Boosted Piecewise Cubic Polynomials

Nicolas Salvade, Tim Hillel · 2026

Generalized Additive Models (GAMs) can be used to create non-linear glass-box (i.e. explicitly interpretable) models, where the predictive function is fully observable over the complete input space. H…

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Mathematics Preprint PDF DOI

A semi-smooth Newton method for the nonlinear conic problem with generalized simplicial cones

Nicolas F. Armijo, Yunier Bello Cruz, Gabriel Haeser · 2026

In this work we develop and analyze a semi-smooth Newton method for the general nonlinear conic programming problem. In particular, we study the problem with a generalized simplicial cone, i.e., the i…

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Physics Preprint PDF DOI

Dynamical magnetism in the disordered cubic lattice material $\gamma$-${\rm Ba}_{3}{\rm CoNb}_{2}{\rm O}_{9}$

Fanjun Xu, Ralf Feyerherm, Cecilie Glittum, Thomas J. Hicken, Hubertus Luetkens, Jonas A. Krieger, Cintli Aguilar-Maldonado, Sven Luther, Lucy K. Saunders, Clemens Ritter, Peter Fouquet, Margarita Russina, Karel Prokes, A.T.M. Nazmul Islam, Bella Lake · 2026

$\gamma$-${\rm Ba}_{3}{\rm CoNb}_{2}{\rm O}_{9}$ realizes a disordered simple-cubic spin-$1/2$ lattice in which Co$^{2+}$ ions randomly occupy one third of the sites, placing the system close to the s…

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