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- W2062762227 abstract "Let A = (aij) be a real symmetric n × n positive definite matrix with non-negative entries. We show that Aα ≡ (aijα) is positive definite for all real α ⩾ n − 2. Moreover, the lower bound is sharp. We give related results for pairs of quadratic forms and discuss partial generalizations to the case in which A is a complex Hermitian matrix." @default.
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- W2062762227 date "1977-12-01" @default.
- W2062762227 modified "2023-09-26" @default.
- W2062762227 title "On fractional Hadamard powers of positive definite matrices" @default.
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- W2062762227 doi "https://doi.org/10.1016/0022-247x(77)90167-6" @default.
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