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Kahler: An Implementation of Discrete Exterior Calculus on Hermitian Manifolds
| Content Provider | CiteSeerX |
|---|---|
| Author | Eftimiades, Alex |
| Abstract | This paper details the techniques and algorithms implemented in Kahler, a Python library that implements discrete exterior calculus on arbitrary Hermitian manifolds. Borrowing techniques and ideas first implemented in PyDEC, Kahler provides a uniquely general framework for computation using discrete exterior calculus. Manifolds can have arbitrary dimension, topology, bilinear Hermitian metrics, and embedding dimension. Kahler comes equipped with tools for generating triangular meshes in arbitrary dimensions with arbitrary topology. Kahler can also generate discrete sharp operators and implement de Rham maps. Computationally inten-sive tasks are automatically parallelized over the number of cores detected. The program itself is written in Cython–a superset of the Python language that is translated to C and compiled for extra speed. Kahler is applied to several example problems: normal modes of a vibrating membrane, electromagnetic resonance in a cavity, the quantum harmonic oscillator, and the Dirac-Kahler equation. Convergence is demonstrated on random meshes. 1 |
| File Format | |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
