We provide a set of maximal rank-deficient submatrices of a Kronecker product of two matrices A โ B, and in particular the Kronecker product of Fourier matrices We show how in the latter case, maximal rank-deficient submatrices can be constructed as tilings of rank-one blocks. Several such tilings
โฆ LIBER โฆ
Permutation equivalence classes of kronecker products of unitary Fourier matrices
โ Scribed by Wojciech Tadej
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 214 KB
- Volume
- 418
- Category
- Article
- ISSN
- 0024-3795
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Let u be a positive integer and Z, the residue class ring modulo U. Two subsets D1 and D, of Z, are said to be equivalent if there exist t,seZ, with gcd(t, v)= 1 such that D, = tD, +s. We are interested in the number of equivalence classes of k-subsets of 2, and the number of equivalence classes of