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math.MG2021
Complex ellipsoids and complex symmetry
Jorge Arocha, Javier Bracho, Luis Montejano
Several characterizations of complex ellipsoids among convex bodies in Cn, in terms of their sections and projections are proved. Characterizing complex symmetry in similar terms i…
math.GT2021
Reconstructing triangulations of 3-manifolds from their intersection matrix
Jorge L. Arocha, Jorge Fernández-Hidalgo
The intersection matrix of a simplicial complex has entries equal to the rank of the intersection of its facets. In [1] the authors prove the intersection matrix is enough to deter…