Home > Search Results: Ciobanu, Laura
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Results overview: Found 5 records in 0.02 seconds.
Research literature, 5 records found
Research literature 5 records found  
1.
17 p, 202.1 KB Restricted walks in regular trees / Ciobanu, Laura ; Radomirovic, S. ; Centre de Recerca Matemàtica
Let T be the Cayley graph of a finitely generated free group F. Given two vertices in T consider all the walks of a given length between these vertices that at a certain time must follow a number of predetermined steps. [...]
Centre de Recerca Matemàtica 2006 (Prepublicacions del Centre de Recerca Matemàtica ; 687)  
Detailed record - Creative Commons
2.
44 p, 348.8 KB Polynomial-time complexity for instances of the endomorphism problem in free groups / Ciobanu, Laura ; Centre de Recerca Matemàtica
We say the endomorphism problem is solvable for an element W in a free group F if it can be decided effectively whether, given U in F, there is an endomorphism Φ of F sending W to U. This work analyzes an approach due to C. [...]
Centre de Recerca Matemàtica 2005 (Prepublicacions del Centre de Recerca Matemàtica ; 655)  
Detailed record - Creative Commons
3.
8 p, 101.7 KB Examples of retracts in a free group that are not the fixed subgroup of any group of automorphisms / Ciobanu, Laura ; Dicks, Warren 1947- ; Centre de Recerca Matemàtica
Let F be a free group of rank at least three. We show that some retracts of F previously studied by Martino-Ventura are not equal to the fixed subgroup of any group of automorphisms of F. This shows that, in F, there exist subgroups that are equal to the fixed subgroup of some set of endomorphisms but are not equal to the fixed subgroup of any set of automorphisms. [...]
Centre de Recerca Matemàtica 2005 (Prepublicacions del Centre de Recerca Matemàtica ; 645)  
Detailed record - Creative Commons
4.
11 p, 147.0 KB The generic Hanna Neumann conjecture and post correspondence problem / Ciobanu, Laura ; Martino, Armando ; Ventura, Enric ; Centre de Recerca Matemàtica
"Vegeu el resum a l'inici del document del fitxer adjunt".
Centre de Recerca Matemàtica 2008 (Prepublicacions del Centre de Recerca Matemàtica ; 804)  
Detailed record - Creative Commons
5.
13 p, 147.2 KB The equation xpyq=zr and groups that act freely on Λ-trees / Brady, Noel ; Ciobanu, Laura ; Martino, Armando ; O'Rourke, Shane ; Centre de Recerca Matemàtica
"Vegeu el resum a l'inici del document del fitxer adjunt".
Centre de Recerca Matemàtica 2006 (Prepublicacions del Centre de Recerca Matemàtica ; 723)  
Detailed record - Creative Commons

See also: similar author names
3 Ciobanu, L.G.
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