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» Some Group Theory Problems
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4OR
2010
107views more  4OR 2010»
14 years 9 months ago
On matrices with the Edmonds-Johnson property
s (from Seminario Dottorato's web page) 3 Notes of the seminars 9 Nicola Mazzari, A note on Grothendieck fundamental group . . . . . . . . . . . . . . 9 Marco Formentin, Infor...
Alberto Del Pia
88
Voted
CADE
2003
Springer
15 years 10 months ago
Certifying Solutions to Permutation Group Problems
We describe the integration of permutation group algorithms with proof planning. We consider eight basic questions arising in computational permutation group theory, for which our ...
Arjeh M. Cohen, Scott H. Murray, Martin Pollet, Vo...
ENDM
2007
64views more  ENDM 2007»
14 years 9 months ago
The complexity of the Weight Problem for permutation groups
Given a metric d on a permutation group G, the corresponding weight problem is to decide whether there exists an element g ∈ G such that d(g, e) = k for some k ∈ N. In this pa...
Peter J. Cameron, Taoyang Wu
CPM
2004
Springer
84views Combinatorics» more  CPM 2004»
15 years 3 months ago
Small Phylogeny Problem: Character Evolution Trees
Abstract. Phylogenetics is a science of determining connections between groups of organisms in terms of ancestor/descendent relationships, usually expressed by phylogenetic trees, ...
Arvind Gupta, Ján Manuch, Ladislav Stacho, ...
CHI
2009
ACM
15 years 2 months ago
The people-prototype problem: understanding the interaction between prototype format and user group
When gathering feedback about an envisioned system, prototypes communicate design ideas to user groups. However, it is unclear how user responses are affected by prototype format....
Katherine M. Sellen, Micheal Massimi, Danielle M. ...