activity
20062026
most citedFischer Decomposition for Difference Dirac Operators

29 citations · 122 across the 17 of their papers we have counts for

collaborators

18 papers

math.AP2026

Gauge Transforms and Strichartz Estimates for Benjamin--Ono-Type Dirac Equations

Nelson Faustino

For , we consider the Benjamin--Ono-type Dirac equation where $(-Δ)…

math.AP2022

Structurally damped evolution equations with power-law memory

Nelson Faustino, Jorge Marques

We consider an integro-differential counterpart of the evolution equation of the type \[ \partial_t^2 u(t,x)+μ(-Δ)^{\fracσ{2}} \partial_t u(t,x)+(-Δ)^σu(t,x)=f(t,x), \] with $σ…

math.AP2021★ 4 cited

On fractional semidiscrete Dirac operators of Lévy-Leblond type

Nelson Faustino

In this paper we introduce a wide class of space-fractional and time-fractional semidiscrete Dirac operators of Lévy-Leblond type on the semidiscrete space-time lattice $h\mathbb{Z…

math.AP2021★ 3 cited

On Fundamental Solutions of Higher-Order Space-Fractional Dirac equations

Nelson Faustino

Starting from the pseudo-differential decomposition of the Dirac operator $\displaystyle \mathbf{D}=\sum_{j=1}^n\mathbf{e}_j\partial_{x_j…

math-ph2019★ 3 cited

Time-changed Dirac-Fokker-Planck equations on the lattice

N. Faustino

A time-changed discretization for the Dirac equation is proposed. More precisely, we consider a Dirac equation with discrete space and continuous time perturbed by a time-dependent…

math.CV2018★ 2 cited

A note on the discrete Cauchy-Kovalevskaya extension

Nelson Faustino

In this paper we exploit the umbral calculus framework to reformulate the so-called discrete Cauchy-Kovalevskaya extension in the scope of hypercomplex variables. The key idea is t…

math-ph2018★ 4 cited

Relativistic Wave Equations on the lattice: an operational perspective

Nelson Faustino

This paper presents an operational framework for the computation of the discretized solutions for relativistic equations of Klein-Gordon and Dirac type. The proposed method relies…

math-ph2015★ 3 cited

Hypercomplex Fock States for Discrete Electromagnetic Schrödinger Operators: A Bayesian Probability Perspective

Nelson Faustino

We present and study a new class of Fock states underlying to discrete electromagnetic Schrödinger operators from a multivector calculus perspective. This naturally lead to hyperco…

math-ph2014★ 10 cited

Solutions for the Klein-Gordon and Dirac equations on the lattice based on Chebyshev polynomials

Nelson Faustino

The main goal of this paper is to adopt a multivector calculus scheme to study finite difference discretizations of Klein-Gordon and Dirac equations for which Chebyshev polynomials…

math.CV2014★ 8 cited

Classes of hypercomplex polynomials of discrete variable based on the quasi-monomiality principle

Nelson Faustino

With the aim of derive a quasi-monomiality formulation in the context of discrete hypercomplex variables, one will amalgamate through a Clifford-algebraic structure of signature $(…

math.CV2013★ 4 cited

Special Functions of Hypercomplex Variable on the Lattice Based on SU(1,1)

Nelson Faustino

Based on the representation of a set of canonical operators on the lattice , which are Clifford-vector-valued, we will introduce new families of special functions of…

math.FA2011★ 3 cited

Localization and Toeplitz Operators on Polyanalytic Fock Spaces

Nelson Faustino

The well know conjecture of {\it Coburn} [{\it L.A. Coburn, {On the Berezin-Toeplitz calculus}, Proc. Amer. Math. Soc. 129 (2001) 3331-3338.}] proved by {\it Lo} [{\it M-L. Lo, {Th…

math.CV2011★ 19 cited

(Discrete) Almansi Type Decompositions: An umbral calculus framework based on symmetries

Nelson Faustino, Guangbin Ren

We introduce the umbral calculus formalism for hypercomplex variables starting from the fact that the algebra of multivariate polynomials $\BR[\underline{x}]$ shall be described in…

math-ph2010★ 11 cited

Fock Spaces, Landau Operators and the Regular Solutions of time-harmonic Maxwell equations

Denis Constales, Nelson Faustino, Soeren Krausshar

We investigate the representations of the solutions to Maxwell's equations based on the combination of hypercomplex function-theoretical methods with quantum mechanical methods. Ou…

math.CA2009★ 1 cited

Almansi Theorems in Umbral Clifford Analysis and the Quantum Harmonic Oscillator

Guangbin Ren, Nelson Faustino

We introduce the Umbral calculus into Clifford analysis starting from the abstract of the Heisenberg commutation relation . The Umbral Clifford analys…

math.CV2007★ 2 cited

On a correspondence principle between discrete differential forms, graph structure and multi-vector calculus on symmetric lattices

Nelson Faustino, Uwe Kaehler

Based on \cite{DH94}, we introduce a bijective correspondence between first order differential calculi and the graph structure of the symmetric lattice that allows one to encode co…

math.NA2007★ 16 cited

Numerical Clifford Analysis for Nonlinear Schrodinger Problem

P. Cerejeiras, N. Faustino, N. Vieira

The aim of this work is to study the numerical solution of the nonlinear Schrodinger problem using a combination between Witt basis and finite difference approximations. We constru…

math.CV2006★ 29 cited

Fischer Decomposition for Difference Dirac Operators

Nelson Faustino, Uwe Kaehler

We establish the basis of a discrete function theory starting with a Fischer decomposition for difference Dirac operators. Discrete versions of homogeneous polynomials, Euler and G…