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- National Quantum Information Centre in GdanskPL9 papers
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4 papers · 1 filter
KBSM of the product of a disk with two holes and S^{1}
Mieczyslaw K. Dabkowski, Maciej Mroczkowski
We introduce diagrams and Reidemeister moves for links in FxS^{1}, where F is an orientable surface. Using these diagrams we compute (in a new way) the Kauffman Bracket Skein Modul…
On small homotopies of loops
G. Conner, M. Meilstrup, D. Repovš +2
Two natural questions are answered in the negative: (1) If a space has the property that small nulhomotopic loops bound small nulhomotopies, then are loops which are limits of nulh…
Embeddability of multiple cones
Dušan Repovš, Witold Rosicki, Andreas Zastrow +1
The main result of this paper is that if is a Peano continuum such that its -th cone embeds into $\RR^{n+2}$ then embeds into . This solves a problem propo…
The topological interpretation of the core group of a surface in S^4
Jozef H. Przytycki, Witold Rosicki
We give a topological interpretation of the core group invariant of a surface embedded in S^4. We show that the group is isomorphic to the free product of the fundamental group of…