Group invariant weighing matrices |
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| Authors: | Ming Ming Tan |
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| Institution: | 1.School of Computer Science and Engineering,Nanyang Technological University,Singapore,Singapore |
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| Abstract: | We investigate the existence problem of group invariant matrices using algebraic approaches. We extend the usual concept of multipliers to group rings with cyclotomic integers as coefficients. This concept is combined with the field descent method and rational idempotents to develop new non-existence results. |
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