Shellability of a poset of polygonal subdivisions.
On minimal models in integral homotopy theory.
Canonical models of surfaces of general type in positive characteristic
On supersingular curves and Abelian varieties.
On total reality of meromorphic functions
We show that, if a meromorphic function of degree at most four on a real algebraic curve of an arbitrary genus has only real critical points, then it is conjugate to a real meromorphic function by a suitable projective automorphism of the image.
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