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20 results for “Kazhdan-Lusztig basis”

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cs.LGcs.AIEmpiricalRecentJun 4, 2026

PC Layer: Polynomial Weight Preconditioning for Improving LLM Pre-Training

Senmiao Wang, Tiantian Fang, Haoran Zhang, Yushun Zhang +3 more

This paper proposes a preconditioning layer for stable weight conditioning in LLM training.

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cs.DMTheoreticalRecentJun 11, 2026

On the Impossibility of Parabolic Factorization of certain Kazhdan-Lusztig Basis Elements

Tommy Parisi, Mark Skandera, Ben Spahiu, Jiayuan Wang

This paper describes a set of permutations for which a specific factorization of basis elements in the type-A Hecke algebra leads to combinatorial interpretations of certain polynomials.

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cs.DMTheoreticalRecentJun 11, 2026

Fibonacci and Catalan Numbers Meet in Staircase Polyominoes

Jean-Luc Baril, José Luis Ramírez, Samuel Ramírez, Diego Villamizar

This paper derives multivariate generating functions to refine the enumeration of Fibonacci polyominoes.

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math.ATcs.DMmath.COTheoreticalRecentJun 11, 2026

Computing stable homology representations of graph configuration spaces

Eric Ramos, Claudia He Yun

Ramos and White's theorem on multiplicity stability of rational homology for configuration spaces of certain graphs is extended and computed for various families of graphs using computer algebra.

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cs.DScs.CRmath.NTRecentMay 17, 2026

Module Lattice Security (Part III): Structured CVP Distance on the Log-Unit Lattice

Ming-Xing Luo

The paper analyzes the structured CVP distance on the log-unit lattice of cyclotomic fields, significantly reducing the conjectured CDPR factor for the ML-KEM cryptosystem from exponential to sub-poly…

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cs.DScs.DMTheoreticalRecentJun 11, 2026

(Un)ranking Permutation Classes

Nathanaël Hassler, Vincent Vajnovszki

This paper presents methods for ranking and unranking permutations avoiding a pattern of length three in lexicographic or colexicographic order.

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cs.CRquant-phRecentApr 17, 2026

Module Lattice Security (Part I): Unconditional Verification of Weber's Conjecture for $k \le 12$

Ming-Xing Luo

This paper provides the first unconditional proof for Weber's Conjecture for the case $k ext{ up to } 12$, which is crucial for lattice-based cryptography.

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math.AGcs.AIcs.NERecentMay 27, 2026

Real-rootedness of the Poincaré polynomials of $\overline{\mathcal M}_{0,n}$: an AI-assisted proof

Gergely Bérczi, Young-Hoon Kiem

The paper proves the real-rootedness and ultra-log-concavity of the Poincaré polynomials for the moduli space $\overline{\mathcal M}_{0,n}$ and the Fulton--MacPherson space $\mathbb{P}^1[n]$ using a n…

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quant-phcs.CRmath.CORecentMay 17, 2026

Module Lattice Security (Part IV): Probabilistic Polynomial Quantum Attack on Module-LWE over 2-Power Cyclotomics

Ming-Xing Luo

This paper presents a quantum attack on Module-LWE based lattice schemes like ML-KEM, demonstrating a polynomial-time quantum algorithm with a high success probability.

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cs.CRRecentMay 20, 2026

Graph Structure of Chebyshev Permutation Polynomials over Binary and Ternary Adic Rings

Xiaoxiong Lu, Yuling Dai, Chengqing Li

This paper characterizes the graph structure, including cycle and path lengths, of Chebyshev permutation polynomials over the ring $\mathbb{Z}_{2^{k_1}3^{k_2}}$, demonstrating strong regularities desp…

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math.ATcs.CGmath-phRecentMay 27, 2026

Gauge Geometry of Hodge Zero-Mode Transport in Parameter-Dependent Topological Data Analysis

Satoshi Kanno, Rei Nishimura, Hiroshi Yamauchi, Yoshi-aki Shimada

The paper introduces a computational framework using Hodge zero-modes to track the geometry of topological features in parameter-dependent data, providing metrics like curvature and holonomy to quanti…

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cs.CRRecentJun 4, 2026

GCD: Garbled, Corrected, Demonstrandum -- Fixing and Proving Go's Extended GCD Implementation

Linard Arquint

This paper fixes two subtle bugs in Go's extended GCD implementation, which is critical for RSA key generation, and formally proves the correctness and termination of the corrected code.

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cs.DMcs.DSEmpiricalRecentJun 11, 2026

Exhaustive Generation of Genus-One Knot and Link Diagrams via Maps on the Torus

Alexander Omelchenko

This paper presents an algorithmic framework for exhaustively generating and tabulating knot and link diagrams on the thickened torus.

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math.NTcs.CRRecentMar 26, 2026

Second order Recurrences, quadratic number fields and cyclic codes

Minjia Shi, Xuan Wang, Bouazzaoui Zakariae, Jon-Lark Kim +1 more

The paper investigates generalized Wall-Sun-Sun primes, $WSS(d)$, and uses them to study the weight distributions of specific cyclic codes defined over $ ext{F}_p$ and $ ext{Z}_{p^2}$.

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cs.DMTheoreticalRecentJun 11, 2026

A Class of Multiparameter Signless Stirling Numbers of the First Kind and their $q$-Analogues

Violetta E. Piperigou, Malvina G. Vamvakari

This paper provides a probabilistic derivation of multiparameter signless Stirling numbers and their q-analogues.

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cs.CRmath.PRRecentMay 11, 2026

A Note on Banaszczyk's Inequality

Hongyuan Qu, Chengliang Tian, Guangwu Xu

The paper improves Banaszczyk's inequality, providing a significantly better tail estimate for the discrete Gaussian measure on a lattice, which has applications in analyzing dual attacks against the…

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math.COcs.CRRecentApr 21, 2026

Cyclic Equalizability Characterized by Parikh Vectors

Sarunyu Thongjarast, Sarit Pasiphol, Suthee Ruangwises

This paper completely characterizes cyclic equalizability for two words over any finite alphabet by proving that the words must share the same Parikh vector.

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cs.DMTheoreticalRecentJun 11, 2026

Snake Polyominoes of Maximal Area in a Rectangle

Alexandre Blondin Massé, Alain Goupil

This paper presents an algorithm to generate snake-like polyominoes within a given rectangle and provides exact formulas for the maximal area of such polyominoes for certain dimensions.

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