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math.AG2021
Complex conjugation and simplicial algebraic hypersurfaces
Charles Arnal
We call a real algebraic hypersurface in simplicial if it is given by a real Laurent polynomial in -variables that has exactly monomials with non-zero c…
math.ST2021
Convolution of a symmetric log-concave distribution and a symmetric bimodal distribution can have any number of modes
Charles Arnal
In this note, we show that the convolution of a discrete symmetric log-concave distribution and a discrete symmetric bimodal distribution can have any strictly positive number of m…