September 2026

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Strict negativity and non-vanishing of Chen--Larson hypergeometric coefficients
Johannes Schmitt
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Inclusions between p-bounded crystalline loci in dimension two
Kalyani Kansal, Brandon Levin, David Savitt
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Derived invariance of the signature and Hodge numbers of fourfolds
Benjamin Antieau, Andrei Căldăraru, Ruoxi Li, Akhil Mathew, Joshua Mundinger, Noah Olander, Martin Olsson
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Graded absolute integral closures and Picard groups
Akhil Mathew
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Frobenius orbit maps and rank-four group schemes
Akhil Mathew
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Torsion in $K_1$ and $p$ -adic vanishing cycles
Akhil Mathew
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Swan induction for the finite-local sphere
Akhil Mathew
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Under Measurables, HOD_{Ord^{\omega}} is locally arbitrary
Elliot Glazer
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A Counterexample to a Conjecture on Fused Specht Polynomials
Darij Grinberg
hexagon:2609.00117v1
Splitting a Polynomial into Linear Factors after an Injective Ring Extension
Darij Grinberg
hexagon:2609.00118v1
A counterexample to ordering-independence for chromatic operators
Darij Grinberg
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Hilbert-type inequality with primes
Kannan Soundararajan
hexagon:2609.00121v1
Polynomials over Symmetric Polynomials
Darij Grinberg
hexagon:2609.00122v1
Generalized Bawo: A Finite-State Model and an EXPTIME Upper Bound
Isaac kaimfa
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Breaking the Fourth Wall: The Planar Centroid Banach–Mazur Diameter Is Strictly Less than $4$
Scott Kominers
hexagon:2609.00124v3
Quantum Laurent Positivity for Mutation-Acyclic Cluster Algebras
琪越唐
hexagon:2609.00126v1
Pauli problem in dimension 4
Dmitry Grinko
hexagon:2609.00128v1
On properties of Plancherel algebras
Shurui Liu
hexagon:2609.00130v1
Primitive Integer Solutions of x^4 + 4y^3 + z^3 = 0
Avraham Eisenberg
hexagon:2609.00132v1
Primitive Integer Solutions of x^4 + 3y^3 + 2z^3 = 0
Avraham Eisenberg
hexagon:2609.00133v1
A Universal Noncommutative Splitting Algebra for Polynomials
Darij Grinberg
hexagon:2609.00134v1
Five equations for first-order logic, modulo the structure of existential graphs
Anthony Hart
hexagon:2609.00135v1
A counterexample to the Burman--Kulishov conjecture on Lie elements
Darij Grinberg
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On a non-basis of the coinvariant algebra
Darij Grinberg
hexagon:2609.00138v1
Signed seeds and G-gradings on cluster algebras
Lauren Williams, Alan Yan
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Coefficientwise positivity for alternating sums of $q$ -factorials
David Anderson
hexagon:2609.00141v1
Ordinal-definable families in Cohen, random, and collapse extensions
Elliot Glazer
hexagon:2609.00142v1
Collapsibility of Alexander duals for shade maps
Darij Grinberg
hexagon:2609.00143v2
Strongly positive bases in rank-two quantum cluster algebras
琪越唐
hexagon:2609.00144v1
On the Asymptotic $W_1$ Cost of Two-Dimensional Semi-Discrete Matching
Heng Ma
hexagon:2609.00145v2
The support conjecture for rank-two quantum triangular bases
琪越唐
hexagon:2609.00146v1
FINITE HAUSDORFF HYPERSPACES AND GROMOV–HAUSDORFF GEOMETRY
Yoshito Ishiki
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Signed Mukai diagonals and derived equivalences of fivefolds
Benjamin Antieau
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A Lean Formalization of Finite Zero Sum Minimax via Sion's Theorem
Arthur, David Barros Hulak, Ruy J. G. B. de Queiroz
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Deferred Acceptance in Lean for Finite Strict Preference Markets
Arthur, David Barros Hulak, Ruy J. G. B. de Queiroz
hexagon:2609.00150v1
Finite VCG and Groves Payments in Lean
Arthur, David Barros Hulak, Ruy J. G. B. de Queiroz
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A Lean Formalization of Roberts Theorem on Unrestricted Valuations
Arthur, David Barros Hulak, Ruy J. G. B. de Queiroz
hexagon:2609.00152v1
A Lean Formalization of the Classical Seifert van Kampen Groupoid Theorem
Arthur, David Barros Hulak, Ruy J. G. B. de Queiroz