Open problems in matrix theory

We survey some open problems in matrix theory by brie∞y describing their history and current state.

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[26]  K. Audenaert A singular value inequality for Heinz means , 2006, math/0609130.

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[35]  R. Bhatia,et al.  Noncommutative geometric means , 2006 .

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[43]  Perron vector bounds for a tournament matrix with applications to a conjecture of Brualdi and Li , 1997 .

[44]  Charles R. Johnson,et al.  The No Long Odd Cycle Theorem for Completely Positive Matrices , 1996 .

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[46]  A. Berman,et al.  Completely Positive Matrices , 2003 .

[47]  C. Pearcy,et al.  Aluthge transforms of operators , 2000 .

[48]  Raphael Loewy,et al.  A note on an inverse problem for nonnegative matrices , 1978 .

[49]  R. Bhatia,et al.  Riemannian geometry and matrix geometric means , 2006 .

[50]  M. Fiedler Eigenvalues of Nonnegative Symmetric Matrices , 1974 .

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[52]  Suk-Geun Hwang On a Conjecture of E. Dittert , 1987 .

[53]  R. Bhatia,et al.  Notes on matrix arithmetic–geometric mean inequalities , 2000 .

[54]  Huajun Huang,et al.  On the convergence of Aluthge sequence , 2007 .

[55]  Raphael Loewy,et al.  CP rank of completely positive matrices of order 5 , 2003 .

[56]  M. SIAMJ.,et al.  EXTREMAL EIGENVALUES OF REAL SYMMETRIC MATRICES WITH ENTRIES IN AN INTERVAL ∗ , 2006 .

[57]  The Iterated Aluthge Transform of an Operator , 2003 .

[58]  T. Andô Aluthge Transforms and the Convex Hull of the Eigenvalues of a Matrix , 2004 .

[59]  Rajendra Bhatia,et al.  Linear Algebra to Quantum Cohomology: The Story of Alfred Horn's Inequalities , 2001, Am. Math. Mon..

[60]  R. Bhatia Positive Definite Matrices , 2007 .