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We introduce the extra slow Tamari lattices, a new family of lattices defined on faithfully balanced tableaux. These tableaux arise naturally from the representation theory of type \( A \) quivers, and our construction extends the classical…

Combinatorics · Mathematics 2026-05-21 Sylvie Corteel , Jihyeug Jang , Baptiste Rognerud

The Tamari order is a central object in algebraic combinatorics and many other areas. Defined as the transitive closure of an associativity law, the Tamari order possesses a surprisingly rich structure: it is a congruence-uniform lattice.…

Combinatorics · Mathematics 2017-09-28 Thomas McConville

This paper investigates the theory of lattices, focusing on extending lattices relative to abstract classes, modular lattices, and torsion lattices. Definitions of type-1 and type-2 extending lattices are provided, along with their weakly…

Rings and Algebras · Mathematics 2025-09-30 Jesus Adrian Celis-González , Hugo Alberto Rincón-Mejía

In this article we investigate the relations between three classes of lattices each extending the class of distributive lattices in a different way. In particular, we consider join-semidistributive, join-extremal and left-modular lattices,…

Combinatorics · Mathematics 2023-04-20 Henri Mühle

For some important families of complete infinite lattices, we study some generalizations of two fundamental notions which are mostly treated for finite lattices. Specifically, for well-separated $\kappa$-lattices, and also for weakly atomic…

Rings and Algebras · Mathematics 2026-04-24 Sota Asai , Osamu Iyama , Kaveh Mousavand , Charles Paquette

We prove that the bounded derived category of the lattice of order ideals of the product of two ordered chains is fractionally Calabi-Yau. We also show that these lattices are derived equivalent to higher Auslander algebras of type A. The…

Representation Theory · Mathematics 2025-09-09 Tal Gottesman

Alt $\nu$-Tamari lattices constitute a remarkable family of lattices associated with lattice paths that broadly generalize the Dyck and Tamari lattices. To systematically study the structural properties of this family, we introduce a…

Combinatorics · Mathematics 2026-05-14 Matthias Müller

A connection relating Tamari lattices on symmetric groups regarded as lattices under the weak Bruhat order to the positive monoid P of Thompson group F is presented. Tamari congruence classes correspond to classes of equivalent elements in…

Combinatorics · Mathematics 2007-05-23 Zoran Sunic

Let $F/{\mathbb Q}_p$ be a finite field extension, let $k$ be a finite field extension of the residue field of $F$. Generalizing the $\psi$-lattices which Colmez constructed in \'{e}tale $(\varphi,\Gamma)$-modules over $k[[t]][t^{-1}]$, we…

Number Theory · Mathematics 2024-05-28 Elmar Große-Klönne

Let $p$ be a prime number and $r$ a non-negative integer. In this paper, we prove that there exists an anti-equivalence between the category of weak $(\varphi,\hat{G})$-modules of height $r$ and a certain subcategory of the category of…

Number Theory · Mathematics 2015-02-03 Yoshiyasu Ozeki

In a recent paper, G. Cz\'edli and E.\,T. Schmidt present a structure theorem for planar semimodular lattices. In this note, we present an alternative proof.

Rings and Algebras · Mathematics 2022-08-08 G. Grätzer

We characterize supersolvable lattices in terms of a certain modular type relation. McNamara and Thomas earlier characterized this class of lattices as those graded lattices having a maximal chain that consists of left-modular elements. Our…

Combinatorics · Mathematics 2022-01-31 Stephan Foldes , Russ Woodroofe

We establish several independent results concerning extremal, left modular, congruence uniform, and semidistributive lattices. An equivalent characterization of left modular lattices is obtained in terms of edge-labellings, together with…

Combinatorics · Mathematics 2025-12-01 Adrien Segovia

Given a fixed integer $n\geq 2$, we construct two new finite lattices that we call the cyclic Tamari lattice and the affine Tamari lattice. The cyclic Tamari lattice is a sublattice and a quotient lattice of the cyclic Dyer lattice, which…

Combinatorics · Mathematics 2025-02-12 Grant Barkley , Colin Defant

Given a lattice path $\nu$, the $\nu$-Tamari lattice and the $\nu$-Dyck lattice are two natural examples of partial order structures on the set of lattice paths that lie weakly above $\nu$. In this paper, we introduce a more general family…

Combinatorics · Mathematics 2025-04-16 Cesar Ceballos , Clément Chenevière

In this note we analyse the Lie algebras of physical states stemming from lattice constructions on general even, self-dual lattices Gamma^{p,q} with p greater or equal to q. It is known that if the lattice is at most Lorentzian, the…

Quantum Algebra · Mathematics 2009-11-07 Axel Kleinschmidt

In this paper we introduce some lattices of classes of left R-module relative to a preradical sigma. These lattices are generalizations of the lattices R-TORS, R-tors, R-nat, R-conat, of torsion theories, hereditary torsion theories,…

Rings and Algebras · Mathematics 2023-11-01 Oscar A. Garrido-Jiménez , Hugo A. Rincón-Mejía

Since their introduction, torsion theories have played a key role in the study of abelian and pointed categories. In representation theory, torsion theories and lattices of torsion classes of mod$ A$, for $A$ a finite-dimensional algebra,…

Representation Theory · Mathematics 2025-11-25 Federico Campanini , Francesca Fedele , Emine Yıldırım

This paper presents a unified framework for determining the congruences on a number of monoids and categories of transformations, diagrams, matrices and braids, and on all their ideals. The key theoretical advances present an iterative…

Group Theory · Mathematics 2020-05-26 James East , Nik Ruskuc

An artin algebra A is said to be a higher Auslander algebra provided the global dimension and the dominant dimension coincide. We say that a linear Nakayama algebra is monotone, provided its Kupisch series first increases, then decreases.…

Representation Theory · Mathematics 2021-10-15 Claus Michael Ringel
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