Journal
SYMMETRY-BASEL
Volume 14, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/sym14081556
Keywords
discrete exterior calculus; discrete operators; Hodge-Dirac operator; discrete Laplacian; Hodge decomposition; combinatorial torus; cohomology groups
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In this study, we discuss the discretization of the two-dimensional de Rham-Hodge theory using a discrete exterior calculus framework. We present discrete analogues of the Hodge-Dirac and Laplace operators that capture key geometric aspects of the continuous counterpart. We also provide and prove a discrete version of the Hodge decomposition theorem, and define and compute the cohomology groups in the case of combinatorial torus.
We discuss a discretization of the de Rham-Hodge theory in the two-dimensional case based on a discrete exterior calculus framework. We present discrete analogues of the Hodge-Dirac and Laplace operators in which key geometric aspects of the continuum counterpart are captured. We provide and prove a discrete version of the Hodge decomposition theorem. The goal of this work is to develop a satisfactory discrete model of the de Rham-Hodge theory on manifolds that are homeomorphic to the torus. Special attention has been paid to discrete models on a combinatorial torus. In this particular case, we also define and calculate the cohomology groups.
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