Functional bases, synonymous with separating sets, are usually formulated for an entire vector space, such as the space Ela of elasticity tensors. We propose here to define functional bases limited to symmetry strata, i.e. sets of tensors of the same symmetry class. We provide such lowcardinal minimal bases for tetragonal, trigonal, cubic or transversely isotropic symmetry strata of the elasticity tensor.
Cite
@article{arxiv.2105.14930,
title = {Minimal functional bases for elasticity tensor symmetry classes},
author = {Rodrigue Desmorat and N Auffray and B Desmorat and M Olive and Boris Kolev},
journal= {arXiv preprint arXiv:2105.14930},
year = {2022}
}