Results 11 to 20 of about 38 (38)

Limit pretrees for free group automorphisms: existence

Forum of Mathematics, Sigma
To any free group automorphism, we associate a real pretree with several nice properties. First, it has a rigid/non-nesting action of the free group with trivial arc stabilizers.
Jean Pierre Mutanguha
doaj   +1 more source

Limit trees for free group automorphisms: universality

Forum of Mathematics, Sigma
To any free group automorphism, we associate a universal (cone of) limit tree(s) with three defining properties: first, the tree has a minimal isometric action of the free group with trivial arc stabilizers; second, there is a unique expanding dilation ...
Jean Pierre Mutanguha
doaj   +1 more source

The conjugacy problem for $\operatorname {Out}(F_3)$

Forum of Mathematics, Sigma
We present a solution to the conjugacy problem in the group of outer automorphisms of $F_3$ , a free group of rank 3. We distinguish according to several computable invariants, such as irreducibility, subgroups of polynomial growth and subgroups ...
François Dahmani, Stefano Francaviglia, Armando Martino, Nicholas Touikan   +3 more
doaj   +1 more source

On the Farrell–Tate K-theory of Out(Fn) $\operatorname {\mathrm {Out}}(F_n)$ upper O u t left parenthesis upper F Subscript n Baseline right parenthesis

Forum of Mathematics, Sigma
Using Lück’s Chern character isomorphism we obtain a general formula in terms of centralisers for the p-adic Farrell–Tate K-theory of any discrete group G with a finite classifying space for proper actions.
Naomi Andrew, Irakli Patchkoria
doaj   +1 more source

The monomorphism problem in free groups

, 2020
Let F be a free group of finite rank. We say that the monomorphism problem in F is decidable if there is an algorithm such that, for any two elements u and v in F , it determines whether there exists a monomorphism of F that sends u to v.
L Ciobanu, A Ould Houcine
core  

Genetic snapshots of the Rhizobium species NGR234 genome. [PDF]

Genome Biol, 2000
Viprey V, Rosenthal A, Broughton WJ, Perret X.   +3 more
europepmc   +1 more source

Evaluatie CTT Biotests: signalering, vangnetfunctie en diskwalificatie [PDF]

, 2005
van Hattum, A.G.M., Hattum, A.G.M. van, Kruseman, G.   +2 more
core   +1 more source

Microbial synthetic community ARC prevents aflatoxin and increases rhizobia-legume nodulation couplingly. [PDF]

Imeta
Zhang Q, Wang T, Tang X, Yue X, Liang M, Zhang X, Han Q, Zhou Y, Li P.   +8 more
europepmc   +1 more source

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Negative immersions for one-relator groups

Duke Mathematical Journal, 2022
Henry Wilton
exaly  

Non-freeness of Groups Generated by Two Parabolic Elements with Small Rational Parameters

Michigan Mathematical Journal, 2021
Thomas Koberda, Sang-Hyun Kim
exaly