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In this paper we give full classification of rank 3 line arrangements in $\mathbb P^2$ (over a field of characteristic 0) that have a minimal logarithmic derivation of degree 3. The classification presents their defining polynomials, up to…

Combinatorics · Mathematics 2023-12-18 Ricardo Burity , Stefan Tohaneanu

We prove that many of the results of the LMMP hold for $3$-folds over fields of characteristic $p>5$ which are not necessarily perfect. In particular, the existence of flips, the cone theorem, the contraction theorem for birational extremal…

Algebraic Geometry · Mathematics 2022-08-22 Omprokash Das , Joe Waldron

We consider sl(2) minimal conformal field theories and the dual parafermion models. Guided by results for the critical A_L Restricted Solid-on-Solid (RSOS) models and its Virasoro modules expressed in terms of paths, we propose a general…

High Energy Physics - Theory · Physics 2010-12-09 Giovanni Feverati , Paul A. Pearce

$N=2$ coset models of the type $SU(m+1)/SU(m)\times U(1)$ with nondiagonal modular invariants for both $SU(m+1)$ and $SU(m)$ are considered. Poincar\'e polynomials of the corresponding chiral rings of these algebras are constructed. They…

High Energy Physics - Theory · Physics 2009-03-27 G. Aldazabal , I. Allekotte , E. Andrés , C. Núñez

We investigate a class of reducible yet indecomposable modules over the $N=2$ superconformal algebras. These so-called staggered modules exhibit a non-diagonalisable action of the Virasoro mode $L_{0}$. Using recent results on the coset…

High Energy Physics - Theory · Physics 2021-04-23 Christopher Raymond , David Ridout , Jorgen Rasmussen

We construct several quantum coset W-algebras, e.g. sl(2,R)/U(1) and sl(2,R)+sl(2,R) / sl(2,R), and argue that they are finitely nonfreely generated. Furthermore, we discuss in detail their role as unifying W-algebras of Casimir W-algebras.…

High Energy Physics - Theory · Physics 2009-10-28 R. Blumenhagen , W. Eholzer , A. Honecker , K. Hornfeck , R. Huebel

Linear codes are the most important family of codes in cryptography and coding theory. Some codes have only a few weights and are widely used in many areas, such as authentication codes, secret sharing schemes and strongly regular graphs.…

Information Theory · Computer Science 2024-05-20 Shudi Yang , Tonghui Zhang , Zheng-An Yao

We compute in closed analytical form the minimal set of "seed" conformal blocks associated to the exchange of generic mixed symmetry spinor/tensor operators in an arbitrary representation (l,\bar l) of the Lorentz group in four dimensional…

High Energy Physics - Theory · Physics 2016-07-13 Alejandro Castedo Echeverri , Emtinan Elkhidir , Denis Karateev , Marco Serone

We find explicit SLE(8) partition functions for the scaling limits of Peano curves in the uniform spanning tree (UST) in topological polygons with general boundary conditions. They are given in terms of Coulomb gas integral formulas, which…

Probability · Mathematics 2025-06-24 Mingchang Liu , Eveliina Peltola , Hao Wu

We study notions of generic and coarse computability in the context of computable structure theory. Our notions are stratified by the $\Sigma_\beta$ hierarchy. We focus on linear orderings. We show that at the $\Sigma_1$ level all linear…

Logic · Mathematics 2024-01-29 Wesley Calvert , Douglas Cenzer , David Gonzalez , Valentina Harizanov

For any root system corresponding to a semisimple simply-laced Lie algebra a logarithmic CFT is constructed. Characters of irreducible representations were calculated in terms of theta functions.

Quantum Algebra · Mathematics 2010-03-01 B. L. Feigin , I. Yu. Tipunin

A fundamental fact for the algebraic theory of constraint satisfaction problems (CSPs) over a fixed template is that pp-interpretations between at most countable \omega-categorical relational structures have two algebraic counterparts for…

Logic · Mathematics 2017-01-25 Libor Barto , Jakub Opršal , Michael Pinsker

We introduce a generalization of Goddard-Kent-Olive (GKO) coset construction of two dimensional conformal field theories based on a choice of a scaled affine subalgebra $\hat{\mathfrak{h}}^s$ of a given affine Lie algebra…

High Energy Physics - Theory · Physics 2016-04-11 Dushyant Kumar

In this article groups of controlled characters of a combinatorial Hopf algebra are considered from the perspective of infinite-dimensional Lie theory. A character is controlled in our sense if it satisfies certain growth bounds, e.g.\…

Representation Theory · Mathematics 2020-09-29 Rafael Dahmen , Alexander Schmeding

In this paper we consider two pointsets in $\mathrm{PG}(2,q^n)$ arising from a linear set $L$ of rank $n$ contained in a line of $\mathrm{PG}(2,q^n)$: the first one is a linear blocking set of R\'edei type, the second one extends the…

Combinatorics · Mathematics 2021-12-23 Vito Napolitano , Olga Polverino , Paolo Santonastaso , Ferdinando Zullo

We consider logarithmic conformal field theories near a boundary and derive the general form of one and two point functions. We obtain results for arbitrary and two dimensions. Application to two dimensional magnetohydrodynamics is…

High Energy Physics - Theory · Physics 2007-05-23 S. Moghimi-Araghi , S. Rouhani

This work concerns the representation theory of the affine Lie algebra $A_1^{(1)}$ at fractional level and its links to the representation theory of the Virasoro algebra. We introduce affine Kac modules as certain finitely generated…

Mathematical Physics · Physics 2019-12-17 Jorgen Rasmussen

We provide a unified framework to study hierarchies of relaxations for Constraint Satisfaction Problems and their Promise variant. The idea is to split the description of a hierarchy into an algebraic part, depending on a minion capturing…

Computational Complexity · Computer Science 2026-02-24 Lorenzo Ciardo , Stanislav Živný

In this paper we primarily study monomial ideals and their minimal free resolutions by studying their associated LCM lattices. In particular, we formally define the notion of coordinatizing a finite atomic lattice P to produce a monomial…

Commutative Algebra · Mathematics 2010-09-09 Sonja Mapes

We introduce a Lie algebra of initial terms of logarithmic vector fields along a hypersurface singularity. Extending the formal structure theorem in [GS06, Thm. 5.4], we show that the completely reducible part of its linear projection lifts…

Algebraic Geometry · Mathematics 2009-11-16 Michel Granger , Mathias Schulze
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