IJAC
2011
13 years 3 months ago
2011
Marciniak and Sehgal showed that if u is a non-trivial bicyclic unit of an integral group ring then there is a bicyclic unit v such that u and v generate a non-abelian free group. ...
IJAC
2011
13 years 3 months ago
2011
We summarize the main known results involving subword reversing, a method of semigroup theory for constructing van Kampen diagrams by referring to a preferred direction. In good ca...
IJAC
2011
13 years 6 months ago
2011
IJAC
2011
13 years 6 months ago
2011
— To successfully design and engineer solutions for today’s and tomorrow’s rapidly changing and expanding global contexts, in which people are confronted with new opportuniti...