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A mixed lattice is a lattice-type structure consisting of a set with two partial orderings, and generalizing the notion of a lattice. Mixed lattice theory has previously been studied in various algebraic structures, such as groups and…

Combinatorics · Mathematics 2024-04-10 Jani Jokela

We study varieties that contain unranked tree languages over all alphabets. Trees are labeled with symbols from two alphabets, an unranked operator alphabet and an alphabet used for leaves only. Syntactic algebras of unranked tree languages…

Formal Languages and Automata Theory · Computer Science 2015-10-27 Magnus Steinby , Eija Jurvanen , Antonio Cano

This paper investigates the extension of lattice-based logics into modal languages. We observe that such extensions admit multiple approaches, as the interpretation of the necessity operator is not uniquely determined by the underlying…

Logic in Computer Science · Computer Science 2025-10-01 Alfredo R. Freire , Manuel A. Martins

We present a taxonomy of the variability mechanisms offered by modeling languages. The definition of a formal language encompasses a syntax and a semantic domain as well as the mapping that relates them, thus language variabilities are…

Software Engineering · Computer Science 2014-09-24 Maria Victoria Cengarle , Hans Grönninger , Bernhard Rumpe

Factorization of statistical language models is the task that we resolve the most discriminative model into factored models and determine a new model by combining them so as to provide better estimate. Most of previous works mainly focus on…

Computation and Language · Computer Science 2007-05-23 Wei Wang

This paper presents a decidable characterization of tree languages that can be defined by a boolean combination of Sigma_1 sentences. This is a tree extension of the Simon theorem, which says that a string language can be defined by a…

Formal Languages and Automata Theory · Computer Science 2015-07-01 Mikołaj Bojańczyk , Luc Segoufin , Howard Straubing

Indexed languages are a classical notion in formal language theory, which has attracted attention in recent decades due to its role in higher-order model checking: They are precisely the languages accepted by order-2 pushdown automata. The…

Formal Languages and Automata Theory · Computer Science 2026-05-28 Richard Mandel , Corto Mascle , Georg Zetzsche

This study presents a fascinating linguistic property related to the number of letters in words and their corresponding numerical values. By selecting any arbitrary word, counting its constituent letters, and subsequently spelling out the…

Computation and Language · Computer Science 2025-03-18 Krishna Chaitanya Polavaram

Positive data languages are languages over an infinite alphabet closed under possibly non-injective renamings of data values. Informally, they model properties of data words expressible by assertions about equality, but not inequality, of…

Formal Languages and Automata Theory · Computer Science 2023-07-24 Florian Frank , Stefan Milius , Henning Urbat

In this paper, we propose Latent Relation Language Models (LRLMs), a class of language models that parameterizes the joint distribution over the words in a document and the entities that occur therein via knowledge graph relations. This…

Computation and Language · Computer Science 2019-08-22 Hiroaki Hayashi , Zecong Hu , Chenyan Xiong , Graham Neubig

A language L is prefix-closed if, whenever a word w is in L, then every prefix of w is also in L. We define suffix-, factor-, and subword-closed languages in the same way, where by subword we mean subsequence. We study the quotient…

Formal Languages and Automata Theory · Computer Science 2015-05-14 J. Brzozowski , G. Jirásková , C. Zou

We denote by Conc(L) the semilattice of all finitely generated congruences of a lattice L. For varieties (i.e., equational classes) V and W of lattices such that V is contained neither in W nor its dual, and such that every simple member of…

Logic · Mathematics 2014-03-24 Pierre Gillibert

Studying the ways in which language is gendered has long been an area of interest in sociolinguistics. Studies have explored, for example, the speech of male and female characters in film and the language used to describe male and female…

Computation and Language · Computer Science 2019-06-13 Alexander Hoyle , Wolf-Sonkin , Hanna Wallach , Isabelle Augenstein , Ryan Cotterell

A language dynamics model on a square lattice, which is an extension of the one popularized by Abrams and Strogatz [1], is analyzed using ODE bifurcation theory. For this model we are interested in the existence and spectral stability of…

Pattern Formation and Solitons · Physics 2021-02-16 T. Kapitula , P. G. Kevrekidis

We propose a cognitively and linguistically motivated set of sorts for lexical semantics in a compositional setting: the classifiers in languages that do have such pronouns. These sorts are needed to include lexical considerations in a…

Computation and Language · Computer Science 2013-12-12 Bruno Mery , Christian Retoré

We characterize the languages in the individual levels of the quantifier alternation hierarchy of first-order logic with two variables by identities. This implies decidability of the individual levels. More generally we show that the…

Logic in Computer Science · Computer Science 2012-05-23 Andreas Krebs , Howard Straubing

A quantitative method is suggested, where meanings of words, and grammatic rules about these, of a vocabulary are represented by real numbers. People meet randomly, and average their vocabularies if they are equal; otherwise they either…

Physics and Society · Physics 2009-11-13 Caglar Tuncay

This paper investigates biases of Large Language Models (LLMs) through the lens of grammatical gender. Drawing inspiration from seminal works in psycholinguistics, particularly the study of gender's influence on language perception, we…

Computation and Language · Computer Science 2024-07-16 Viktor Mihaylov , Aleksandar Shtedritski

Syntax connects words to each other in very specific ways. Two words are syntactically connected if they depend directly on each other. Syntactic connections usually happen within a sentence. Gathering all those connection across several…

Computation and Language · Computer Science 2025-03-11 Juan Soria-Postigo , Luis F Seoane

We propose FC, a new logic on words that combines finite model theory with the theory of concatenation - a first-order logic that is based on word equations. Like the theory of concatenation, FC is built around word equations; in contrast…

Logic in Computer Science · Computer Science 2021-05-14 Dominik D. Freydenberger , Liat Peterfreund