There exists a surface of a convex polyhedron P and a partition L of P into geodesic convex polygons such that there are no connected"edge"unfoldings of P without self-intersections (whose spanningâ€¦ (More)

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A hallmark of malignancy is excessive tumor glycolysis, even in the presence of oxygen, which causes lactacidosis in the tumor microenvironment and favors tumor cell proliferation andâ€¦ (More)

It is shown that, in rats with global cerebral ischemia modeled by a complete irreversible occlusion of the common carotid artery and forced hypotension, the hemostasis is characterized by a shiftâ€¦ (More)

Consider a polygon P and all neighboring circles (circles going through three consecutive vertices of P ). We say that a neighboring circle is extremal if it is empty (no vertices of P inside) orâ€¦ (More)