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On twin prime power Hadamard matrices

✍ Scribed by Padraig Ó Catháin; Richard M. Stafford


Book ID
107597927
Publisher
Springer-Verlag
Year
2010
Tongue
English
Weight
305 KB
Volume
2
Category
Article
ISSN
1936-2447

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📜 SIMILAR VOLUMES


On Hadamard matrices
✍ Jennifer Seberry Wallis 📂 Article 📅 1975 🏛 Elsevier Science 🌐 English ⚖ 640 KB
Fractional Hadamard powers of positive s
✍ P. Fischer; J.D. Stegeman 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 197 KB

We consider the class S n of all real positive semidefinite n × n matrices, and the subclass S + n of all A ∈ S n with non-negative entries. For a positive, non-integer number α and some A ∈ S + n , when will the fractional Hadamard power A ♦α again belong to S + n ? It is known that, for a specific