Sergiescu Vlad

Sergiescu Vlad
University Joseph Fourier - Grenoble 1 | UJF · UFR IM2AG (informatique, mathématiques et mathématiques appliquées)

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5
Publications
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21
Citations
Citations since 2017
0 Research Items
12 Citations
201720182019202020212022202301234567
201720182019202020212022202301234567
201720182019202020212022202301234567
201720182019202020212022202301234567

Publications

Publications (5)
Article
Full-text available
The central extension of the Thompson group $T$ that arises in the quantized Teichm\"uller theory is 12 times the Euler class. This extension is obtained by taking a (partial) abelianization of the so-called braided Ptolemy-Thompson group introduced and studied in \cite{FK2}. We describe then the cyclic central extensions of $T$ by means of explici...
Article
Full-text available
We consider Thompson's groups from the perspective of mapping class groups of surfaces of infinite type. This point of view leads us to the braided Thompson groups, which are extensions of Thompson's groups by infinite (spherical) braid groups. We will outline the main features of these groups and some applications to the quantization of Teichm\"ul...
Article
Thesis (doctoral)--Université des sciences et techniques de Lille 1, 1980. "No d'ordre : 834." Bibliography: p. 40-41.

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