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math.AG2023★ 1 cited
On the isotropy stratification of a real representation of a compact Lie group
Perla Azzi, Rodrigue Desmorat, Julien Grivaux +1
The aim of the present paper is to provide a comprehensive introduction to some algebraic and geometric aspects of real representations of compact Lie groups, as well as some resul…
math.AG2022★ 2 cited
Distance to a constitutive tensor isotropy stratum by Lasserre polynomial optimization method
Perla Azzi, Rodrigue Desmorat, Boris Kolev +1
We give a detailed description of a polynomial optimization method allowing to solve a problem in continuum mechanics: the determination of the elasticity or the piezoelectricity t…