co pi spectral radius

Planets form in the disks around young stars. Their formation efficiency and composition are intimately linked to the protoplanetary disk locations of "snow lines" of abundant volatiles. We present chemical imaging of the carbon monoxide (CO) snow line in the disk around TW Hya, an analog of the solar nebula, using high spatial and spectral resolution Atacama Large Millimeter/Submillimeter Arra...

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On the Co-PI and Laplacian Co-PI eigenvalues of a graph

Journal: :Discrete Applied Mathematics 2013

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Preservers of spectral radius, numerical radius, or spectral norm of the sum on nonnegative matrices

Journal: :Linear Algebra and its Applications 2009

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Matrix polynomials with spectral radius equal to the numerical radius

Journal: :Journal of Mathematical Analysis and Applications 2011

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The ratios between the spectral norm, the numerical radius and the spectral radius

2012

Kui Du

Recently, Uhlig [Numer. Algorithms, 52(3):335-353, 2009] proposed open questions about the ratios between the spectral norm, the numerical radius and the spectral radius of a square matrix. In this note, we provide some observations to answer these questions. Keywords—Spectral norm, Numerical radius, Spectral radius, Ratios

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