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Biography

Dr. Marek Niezgoda

Department of Applied Mathematics and Computer Science

University of Life Sciences in Lublin, Poland

Associate professor

 

Email: marek.niezgoda@up.lublin.pl,bniezgoda@wp.pl


Qualifications

Ph.D., University of Maria Curie-Sklodowska, Poland

M.S., University of Maria Curie-Sklodowska, Poland


Publications (Selected)

  1. M. Niezgoda (2015). Shannon like inequalities for f-connections of positive linear maps and positive operators, Linear Algebra Appl., 481, pp. 186-201.
  2. M. Niezgoda (2015). Jessen’s functional and majorization, Math. Inequal. Appl., 18 (3) pp. 1003-1011.
  3. M. Niezgoda, (2015). A generalization of Mercer's result on convex functions, II, Math. Inequal. Appl., 18 (3) pp. 1013-1023.
  4. M. Niezgoda, (2015). Vector majorization and Schur-concavity of some sums generated by the Jensen and Jensen-Mercer functionals, Math. Inequal. Appl., 18 (2) pp. 769-786.
  5. M. Niezgoda, (2015). Majorization and refined Jensen-Mercer type inequalities for self-adjoint operators, Linear Algebra Appl., 467 pp. 1-14.
  6. M. Niezgoda, (2015). Jointly subadditive mappings induced by operator convex functions and generalized inverses of positive linear maps, Math. Inequal. Appl., 18 (1) pp. 169-184.
  7. P. A. Kluza and M. Niezgoda, 2014. Inequalities for relative operator entropies, Electron. J. Linear Algebra, 27 pp. 851-864.
  8. M. Niezgoda, (2014). Remarks on Sherman like inequalities for (alpha,beta)-convex functions, Math. Inequal. Appl., 17 (4) pp. 1579-1590.
  9. M. S. Moslehian, M. Niezgoda, R. Rajić, (2014). An operator Karamata inequality, Bull. Malays. Math. Sci. Soc., 37 (4), pp. 949-954.
  10. M. Niezgoda, (2014). On (k,h;m)-convex mappings and applications, Math. Inequal. Appl., 17, pp. 665-678.
  11. M. Niezgoda, (2014). On f-connections of positive definite matrices, Ann. Funct. Anal., 5 (2), pp. 147-157.
  12. M. Niezgoda, (2013). Choi-Davis-Jensen’s inequality and generalized inverses of linear operators, Electron. J. Linear Algebra, 26 , pp. 406-416.
  13. M. Niezgoda, (2013). On sub- and superadditive vector-valued maps with applications to group majorization, Linear Algebra Appl., 438 (11), pp. 4249-4259.
  14. M. Niezgoda, (2013). Inequalities for convex functions and doubly stochastic matrices, Math. Inequal. Appl., 16 (1), pp. 221-232.
  15. M. Niezgoda, (2013). A review of selected topics in majorization theory, in Recent Developments in Functional Equations and Inequalities. Selected Topics, edited by J. Brzdęk et al., Banach Publication Center, 99, pp. 123-154.
  16. M. Niezgoda, J. Pecarić , (2012). Hardy-Littlewood-Polya-type theorems for invex functions, Comput. Math. Appl., 64 (4), pp. 518-526.
  17. M. Adil Khan, M. Niezgoda, J. Pecarić, (2012). Further results on convex functions and separable sequences with applications, Acta Math. Vietnam., 37 (3), pp. 327-339.
  18. M. Niezgoda, (2012). On Diaz-Metcalf and Klamkin-McLenaghan type operator inequalities, J. Math. Inequal., 6 (2), pp. 289-297.
  19. M. Niezgoda, (2012). Cone orderings, group majorizations and similarly separable sequences, Linear Algebra Appl., 436 (3), pp. 579-594.

 

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