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math-ph2023
Vinberg's T-Algebras. From Exceptional Periodicity to Black Hole Entropy
Alessio Marrani
We introduce the so-called Magic Star (MS) projection within the root lattice of finite-dimensional exceptional Lie algebras, and relate it to rank-3 simple and semi-simple Jordan…
math-ph2023★ 1 cited
Special Vinberg cones, invariant admissible cubics and special real manifolds
Dmitri V. Alekseevsky, Alessio Marrani, Andrea Spiro
By Vinberg theory any homogeneous convex cone may be realized as the cone of positive Hermitian matrices in a -algebra of generalised matrices. The level hypersurfa…