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20 results for “small-step derivations”

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cs.PLTheoreticalRecentJun 18, 2026

Big-step and small-step Horn clause derivations applied to operational semantics

John P. Gallagher, Manuel Hermenegildo, José Morales, Pedro Lopez-Garcia +1 more

The paper proves equivalence between big-step and small-step derivations for Horn clauses and transforms Horn clauses into equivalent sets of clauses based on the given derivation strategy.

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cs.CRcs.CCTheoreticalRecentJun 30, 2026

Witness Complexity of Short Descriptions: A Cryptographic Perspective

Fabio F. G. Buono

This paper introduces witness complexity, a measure for the minimum running time of a string's near-shortest description on a universal Turing machine.

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cs.CCTheoreticalRecentJul 8, 2026

Fixed Points, a Predictor-Impossibility Theorem, and Applications

Tom Altman

This paper introduces an activation hierarchy and proves a Predictor-Impossibility Theorem, showing that no effective predictor family can determine all stage languages. It also establishes a slice th…

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cs.CRRecentApr 20, 2026

From Finite Enumeration to Universal Proof: Ring-Theoretic Foundations for PQC Hardware Masking Verification

Ray Iskander, Khaled Kirah

The paper provides the first machine-checked universal proof, using ring theory, that value-independence implies identical marginal distributions for arithmetic masking, thereby extending the verifica…

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cs.PLTheoreticalRecentJul 20, 2026

Weakly Non-Negative Supermartingales for Omega-Regular Verification

Toru Takisaka, Hongjie Qing, Libo Zhang

The paper introduces lazy Streett supermartingales and their lexicographic extension to certify almost-sure satisfaction of omega-regular properties with polynomial templates under a broad class of sa…

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cs.LGcs.AIRecentMay 28, 2026

The Little Book of Generative AI Foundations: An Intuitive Mathematical Primer

Tianhua Chen

This book provides a compact, derivation-oriented mathematical primer that connects major families of generative AI models, showing their underlying structural relationships.

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cs.LGmath.OCstat.MLTheoreticalRecentJul 16, 2026

What's in a Smoothness Constant? Tighter Rates for Local SGD with Bounded Second-order Heterogeneity

Kumar Kshitij Patel, Rustem Islamov, Sebastian U Stich, Aurelien Lucchi +2 more

This paper proves the conjecture that Local SGD outperforms Mini-batch SGD under bounded second-order heterogeneity for general convex objectives, improving the convergence guarantee and lower bounds.

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math.GRcs.DSTheoreticalRecentJul 19, 2026

Black Box Recognition of the Suzuki groups

John N. Bray, Henrik Bäärnhielm

The paper presents black box algorithms for constructing standard generators and performing membership testing in Suzuki groups, with no false positives.

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cs.FLcs.CCcs.DSNEWTheoreticalJul 28, 2026

Breaking the $4^k$ Barrier for the $k$-Distinct Language

Ran Ben Basat

This paper presents a new nondeterministic finite automaton (NFA) for recognizing repetition-free words over a given alphabet, improving on the previous construction.

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cs.CCRecentMay 31, 2026

Recursive Jump Operators and Optimal Proof Systems

Fabian Egidy

The paper investigates the relationship between optimal proof systems and recursive jump operators, showing that while the existence of a jump operator rules out optimality, the converse is provably h…

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math.PRcs.DMcs.FLTheoreticalRecentJun 28, 2026

Note on Finite-Automata Bernoulli Factories for Rational Functions

Renato Paes Leme, Jon Schneider

This paper identifies a technical oversight in Mossel and Peres (2005) theorem on designing Bernoulli factories for multivariable functions and provides a counterexample.

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cs.LGcs.AIRecentMay 31, 2026

Strong Stochastic Flow Maps

Sam McCallum, Zander W. Blasingame, Timothy Herschell, Niklas Rindtorff +2 more

The paper introduces Strong Stochastic Flow Maps (SSFMs), a novel framework that directly learns the strong solution map of additive-noise Stochastic Differential Equations (SDEs), enabling few-step s…

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cs.LGcs.PLEmpiricalRecentJul 6, 2026

InvWeaver: Deductive Feedback for Invariant Synthesis in Interacting-Loop Programs

Guangyuan Wu, Weining Cao, Zehui Tan, Yuan Yao +3 more

This paper introduces InvWeaver, a neuro-symbolic framework for synthesizing loop invariants in programs with multiple interacting loops.

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cs.CCeess.SYmath.AGRecentMay 29, 2026

Verifying global identifiability of parametric linear ODE models is NP-hard

Alexey Ovchinnikov, Pedro Soto

This paper determines that verifying global parameter identifiability for linear ODE models is an NP-hard problem, establishing a computational complexity boundary for the field.

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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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