371 search results - page 18 / 75 » Expanders In Group Algebras |
SYMMETRY
2010
13 years 3 months ago
2010
: We propose a group-theoretical approach to the generalized oscillator algebra A recently investigated in J. Phys. A: Math. Theor. 2010, 43, 115303. The case 0 corresponds to th...
MOC
2002
13 years 8 months ago
2002
Some useful information is known about the fundamental domain for certain Hilbert modular groups. The six nonequivalent points with nontrivial isotropy in the fundamental domains u...
FOCS
1992
IEEE
14 years 26 days ago
1992
IEEE
We announce methods for e cient management of solvable matrix groups over nite elds. We show that solvability and nilpotence can be tested in polynomial-time. Such e ciency seems ...
AIED
2007
Springer
14 years 3 months ago
2007
Springer
The efficacy of a tutoring system for pre-algebra instruction plus human tutoring was compared to instruction provided to small groups of middle school students by experienced huma...
APAL
2010
13 years 9 months ago
2010
We investigate computability theoretic and topological properties of spaces of orders on computable orderable groups. A left order on a group G is a linear order of the domain of ...