Unique sums and differences in finite Abelian groups
Let A,B be subsets of a finite abelian group G. Suppose that A+B does not contain a unique sum, i.e., there is no g∈G with a unique representation g=a+b, a∈A, b∈B. From such sets A,B, sparse linear systems over the rational numbers arise. We obtain a new determinant bound on invertible submatrices o...
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Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
2022
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Online Access: | https://hdl.handle.net/10356/159769 |
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Institution: | Nanyang Technological University |
Language: | English |