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Displaying similar documents to “A constructive proof that every 3-generated l-group is ultrasimplicial”

On the Betti numbers of the real part of a three-dimensional torus embedding

Jan Ratajski (1993)

Colloquium Mathematicae

Similarity:

Let X be the three-dimensional, complete, nonsingular, complex torus embedding corresponding to a fan S 3 and let V be the real part of X (for definitions see [1] or [3]). The aim of this note is to give a simple combinatorial formula for calculating the Betti numbers of V.

Variational approach to some optimization control problems

R. Bianchini (1995)

Banach Center Publications

Similarity:

This paper presents the variational approach to some optimization problems: Mayer's problem with or without constraints on the final point, local controllability of a trajectory, time-optimal problems.