5 search results - page 1 / 1 » Reverse Mathematics and Fully Ordered Groups |
NDJFL
1998
13 years 4 months ago
1998
BSL
1999
13 years 4 months ago
1999
AB
2007
Springer
13 years 9 months ago
2007
Springer
Given a permutation , the application of prefix reversal f(i) to reverses the order of the first i elements of . The problem of Sorting By Prefix Reversals (also known as pancake ...
PPAM
2007
Springer
13 years 11 months ago
2007
Springer
The concept of a partial derangement is introduced and a versatile representation of partial derangements is proposed with permutations and derangements as special cases. The repre...
CTCS
1989
Springer
13 years 9 months ago
1989
Springer
We introduce the notion of a candidate for “multiple valued universal constructions” and define stable functors (which generalise functors with left adjoints) in terms of fac...