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Displaying similar documents to “On divisibility in definable groups”

Some results concerning the ends of minimal cuts of simple graphs

Xiaofeng Jia (2000)

Discussiones Mathematicae Graph Theory

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Let S be a cut of a simple connected graph G. If S has no proper subset that is a cut, we say S is a minimal cut of G. To a minimal cut S, a connected component of G-S is called a fragment. And a fragment with no proper subset that is a fragment is called an end. In the paper ends are characterized and it is proved that to a connected graph G = (V,E), the number of its ends Σ ≤ |V(G)|.

Locally connected exceptional minimal sets of surface homeomorphisms

Andrzej Biś, Hiromichi Nakayama, Pawel Walczak (2004)

Annales de l’institut Fourier

Similarity:

We deal with locally connected exceptional minimal sets of surface homeomorphisms. If the surface is different from the torus, such a minimal set is either finite or a finite disjoint union of simple closed curves. On the torus, such a set can admit also a structure similar to that of the Sierpiński curve.