EUDML | Investigation of invariant manifolds of dynamic systems by means of quadratic forms

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Displaying similar documents to “Investigation of invariant manifolds of dynamic systems by means of quadratic forms”

Second phase matrix of differential systems $Y^{'} + P (x) Y = 0$

Ondřej Došlý (1987)

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Janaki, T.M., Rangarajan, Govindan (2003)

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The problem of kings.

Larsen, Michael (1995)

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On a nonnegative irreducible matrix that is similar to a positive matrix

Raphael Loewy (2012)

Open Mathematics

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Let A be an n×n irreducible nonnegative (elementwise) matrix. Borobia and Moro raised the following question: Suppose that every diagonal of A contains a positive entry. Is A similar to a positive matrix? We give an affirmative answer in the case n = 4.

A note on the matrix Haffian.

Heinz Neudecker (2000)

Qüestiió

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This note contains a transparent presentation of the matrix Haffian. A basic theorem links this matrix and the differential ofthe matrix function under investigation, viz ∇F(X) and dF(X). Frequent use is being made of matrix derivatives as developed by Magnus and Neudecker.