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» Limit Groups are Conjugacy Separable
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IJAC
2007
85views more  IJAC 2007»
13 years 4 months ago
Limit Groups are Conjugacy Separable
A limit group is a finitely generated subgroup of a residually free group. We prove the result announced in the tittle. 2000 Mathematics Subject Classification: 20E06, 20E08, 20...
S. C. Chagas, Pavel Zalesskii
HICSS
1998
IEEE
111views Biometrics» more  HICSS 1998»
13 years 8 months ago
Measuring Disagreement in Groups Facing Limited Choice Problems
Agreement is an important concept in group interaction, both for computermediated and face-to-face groups. This paper presents a measure of disagreement, D, for groups facing limi...
Brian Whitworth, Roy Felton
JCT
2010
112views more  JCT 2010»
13 years 3 months ago
Annular embeddings of permutations for arbitrary genus
In the symmetric group on a set of size 2n, let P2n denote the conjugacy class of involutions with no fixed points (equivalently, we refer to these as “pairings”, since each ...
I. P. Goulden, William Slofstra
OIR
2011
401views Neural Networks» more  OIR 2011»
12 years 7 months ago
Using Online Collaborative Tools for Groups to Co-Construct Knowledge
(limit 250 words) Purpose This paper reports and describes the use of MediaWiki and Google Docs at undergraduate level as online collaboration tools for co-constructing knowledge i...
Sam Kai Wah Chu, David M. Kennedy
ICPR
2006
IEEE
14 years 5 months ago
ICA-Based Clustering for Resolving Permutation Ambiguity in Frequency-Domain Convolutive Source Separation
Permutation ambiguity is an inherent limitation in independent component analysis, which is a bottleneck in frequency-domain methods of convolutive source separation. In this pape...
Minje Kim, Seungjin Choi