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11/12/2020
On a question of Haemers regarding vectors in the nullspace of Seidel matrices
In 2011, Haemers asked the following question: If S is the Seidel matrix...
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06/23/2020
On the flip graphs on perfect matchings of complete graphs and signed reversal graphs
In this paper, we study the flip graph on the perfect matchings of a com...
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08/14/2018
