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(2005)
Logarithmic weighted means matrix (English summary)
C. Selvaraj, S. Selvaraj (2013)
Classical matrices and mean-starshaped sequencesThe International Journal of Contemporary Mathematical Sciences, 8
IZ Milovanovic, NM Stojanovic, LM Kocic (1986)
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I. Milovanovic, N. Stojanović, G. Toader, J. Pečarić (1992)
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Approximation in discrete convexity cones
In this paper, we give the necessary and sufficient conditions for a linear transformation of a mean-starshaped sequence to be positive. Using this result, we obtain the necessary and sufficient conditions for a lower triangular matrix to preserve the mean-starshape of a sequence and we discuss some special cases of linear transformations. Our next result deals with the convergence of a sequence of mean-starshaped sequences to any given mean-starshaped sequence and the positivity of a linear operator on the set of mean-starshaped sequences.
Positivity – Springer Journals
Published: Nov 28, 2015
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