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1. Symmetric nonnegative matrix trifactorization Damjana Kokol-Bukovšek, Helena Šmigoc, 2023, izvirni znanstveni članek Ključne besede: mathematics, mathematical economy, matrix algebra, nonnegative matrix factorization, completely positive matrices, nonnegative symmetric matrices, nonnegative rank |
2. Inequalities and equalities on the joint and generalized spectral and essential spectral radius of the Hadamard geometric mean of bounded sets of positive kernel operators Katarina Bogdanović, Aljoša Peperko, 2023, izvirni znanstveni članek Ključne besede: Hadamard-Schur geometric mean, Hadamard-Schur product, joint and generalized spectral radius, essential spectral radius, measure of non-compactness, positive kernel operators, non-negative matrices, bounded sets of operators |