In type A, the q,tFussCatalan numbers can be defined as a bigraded Hilbert series of a module associated to the symmetric group. We generalize this construction to (finite) complex reflection groups and, based on computer experiments, we exhibit…
Papers in Algebra
Algebra papers in Mathematics, Q


Identifying a subset of features that preserves classification accuracy is a problem of growing importance, because of the increasing size and dimensionality of realworld data sets. We propose a new feature selection method, named Quadratic…

Quadrature signal processing is used in many fields of science and engineering, and quadrature signals are necessary to describe the processing and implementation that takes place in modern digital communications systems. In this tutorial we'll…

We examine a theory of competitive innovation in which new ideas are introduced only when diminishing returns to the use of existing ideas sets in. After an idea is introduced, the knowledge capital associated with that idea expands, and its value…

Teamwork is a fundamental aspect of many human activities, from business to art and from sports to science. Recent research suggest that team work is of crucial importance to cuttingedge scientific research, but little is known about how teamwork…

Thermal stability shift analysis is a powerful method for examining binding interactions in proteins. We demonstrate that under certain circumstances, proteinprotein interactions can be quantitated by monitoring shifts in thermal stability using…

In this paper, several algorithms that allow for quantitative photoacoustic reconstruction of tissue optical, acoustic and physiological properties are described in a finiteelement method based framework. These quantitative reconstruction…

We investigate the edge conductance of particles submitted to an Iwatsuka magnetic field, playing the role of a purely magnetic barrier. We also consider magnetic guides generated by generalized Iwatsuka potentials. In both cases we prove…

Solving linear systems of equations is a common problem that arises both on its own and as a subroutine in more complex problems: given a matrix A and a vector b(>), find a vector x(>) such that Ax(>) = b(>). We consider the case where one…

An encryption scheme is said to be entropically secure if an adversary whose minentropy on the message is upper bounded cannot guess any function of the message. Similarly, an encryption scheme is entropically indistinguishable if the encrypted…

The purpose of this Note is to unify quantum groups and starproducts under a general umbrella: quantum groupoids. It is shown that a quantum groupoid naturally gives rise to a Lie bialgebroid as a classical limit. The converse question, i.e., the…

We classify the compact quantum groups acting on 4 points. These are the quantum subgroups of the quantum permutation group $\mathcal Q_4$. Our main tool is a new presentation for the algebra $\rm C(\mathcal Q_4)$, corresponding to an isomorphism of…

This paper investigates quantum logic from the perspective of categorical logic, and starts from minimal assumptions, namely the existence of involutions/daggers and kernels. The resulting structures turn out to (1) encompass many examples of…

On the basis of introspective analysis, we establish a crucial requirement for the physical computation basis of consciousness: it should allow processing a significant amount of information together at the same time. Classical computation does not…

In this paper a programming language, qGCL,is presented for the expression of quantum algorithms. It contains the features re quired to program a ‘universal’ quantum computer (including initiali sation and observation), has a formal semantics and…

We introduce a large equivalence class of graph properties, all of which are shared by socalled random graphs. Unlike random graphs, however, it is often relatively easy to verify that a particular family of graphs possesses some property in this…

We present a practical and efficient means to compute the singular value decomposition (SVD) of a real or complex quaternion matrix A based on bidiagonalization of A to a real or complex bidiagonal matrix B using quaternionic Householder…

Pour de nombreux spécialistes des réseaux territorialisés, la question de leur gouvernance se pose de façon critique. Cependant, peu de travaux se sont focalisés sur le sujet. Dans un contexte de multiplication de ce type de réseaux et devant les…
Papers in associated subdisciplines
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