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Showing 2013Show all
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cs.CC2013★ 3 cited
On the Parameterized Complexity of Reconfiguration Problems
Amer E. Mouawad, Naomi Nishimura, Venkatesh Raman +2
We present the first results on the parameterized complexity of reconfiguration problems, where a reconfiguration version of an optimization problem takes as input two feasible…
math.CO2013★ 17 cited
Some new orders of Hadamard and skew-Hadamard matrices
Dragomir Z. Djokovic, Oleg Golubitsky, Ilias S. Kotsireas
We construct Hadamard matrices of orders 4x251 = 1004 and 4x631 = 2524, and skew-Hadamard matrices of orders 4x213 = 852 and 4x631 = 2524. As far as we know, such matrices have not…