Bifractional inequalities and convex cones. - Marek Niezgoda (Discret. Math., 2006)

Remarks on convex functions and separable sequences. - Marek Niezgoda (Discret. Math., 2008)

A new inequality of Ostrowski-Grüss type and applications to some numerical quadrature rules. - Marek Niezgoda (Comput. Math. Appl., 2009)

New bounds for moments of continuous random variables. - Marek Niezgoda (Comput. Math. Appl., 2010)

Grüss and Ostrowski type inequalities. - Marek Niezgoda (Appl. Math. Comput., 2011)

Remarks on convex functions and separable sequences, II. - Marek Niezgoda (Discret. Math., 2011)

Hardy-Littlewood-Pólya-type theorems for invex functions. - Marek Niezgoda; Josip Pecaric (Comput. Math. Appl., 2012)

Vector joint majorization and generalization of Csiszár-Körner's inequality for f-divergence. - Marek Niezgoda (Discret. Appl. Math., 2016)

Von Neumann-Davis type theorems for HLPK and Sherman functionals on Eaton triples. - Marek Niezgoda (Period. Math. Hung., 2020)

On singular values of products of matrices and log-majorization. - Marek Niezgoda (Period. Math. Hung., 2023)