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A construction of integrated vertex operator in the pure spinor sigma-model in AdS(5) x S-5
(Springer, 2013-11-14)
Vertex operators in string theory me in two varieties: integrated and unintegrated. Understanding both types is important for the calculation of the string theory amplitudes. The relation between them is a descent procedure ...
A four vertex theorem for strictly convex space curves
(Journal of Geometry, 2018)
Discretization Vertex Orders In Distance Geometry
(Elsevier, 2015)
Toll convexity
(2015)
Vértices, curva focal e superfície focal de curvas no espaço
(Universidade Federal de Santa MariaBRMatemáticaUFSMPrograma de Pós-Graduação em Matemática, 2013-03-19)
The focal surface of a curve γ in the Euclidean 3-space is defined as the envelope of the normal
planes of γ. The focal surface of γ is singular along a curve Cγ, called the focal curve or generalized
evolute. This curve ...
Affine properties of convex equal-area polygons
(Springer, 2012-10)
In this paper we discuss some affine properties of convex equal-area polygons, which are convex polygons such that all triangles formed by three consecutive vertices have the same area. Besides being able to approximate ...