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131
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JCT
2007
15 years 4 months ago
2007
Abstract. We develop linear representation theory for bicircular matroids, a chief example being a matroid associated with forests of a graph, and bicircular lift matroids, a chief...
135
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AINA
2007
IEEE
15 years 10 months ago
2007
IEEE
In hierarchical distributed systems, shared data access can be controlled by assigning user groups single cryptographic keys that allow high level users derive low level keys, but...
129
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HICSS
2007
IEEE
15 years 10 months ago
2007
IEEE
For the past fifty years, the idea generation literature has been plagued by inconsistent findings concerning how best to achieve certain group outcomes. It is proposed that these...
133
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COCOA
2007
Springer
15 years 10 months ago
2007
Springer
We define a fundamental domain for a linear programming relaxation of a combinatorial integer program which is symmetric under a group action. We then describe a straightforward w...
126
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PSYCHNOLOGY
2007
15 years 3 months ago
2007
In this paper it is our intention to discuss a Teacher Education proposal that uses an on line asynchronous learning environment to develop collaborative practices and to enhance ...