Prof. Kristina Krulić Himmelreich, Ph.D.

 Personal data

• Born 17.11.1982 in Zagreb

 Academic education

• 2005 master degree in mathematics and physics education, Faculty of Science - Department of Mathematics in Zagreb
• 2010 defended dissertation "Generalizations and refinements of Hardy's inequality", under the supervision of academician Josip Pečarić and professor Lars-Erik Perrson, Luleå University, Luleå, Sweden at Faculty of Science - Department of Mathematics in Zagreb.

 Employment and titles

• 2006 Faculty of Textile Technology, Section for Mathematics assistant
• 2010 senior assistant
• 2013 assistant professor
• 2018 associate professor
• 2023 full professor
   

 Teaching activity

• Undergraduate courses Mathematics 1 and Statistics on TTF
• Study in Varaždin: Mathematics and Statistics
• Doctoral study: Selected topics in Mathematics

 Research activity

• Natural sciences, mathematics, mathematical analysis

 Scientific-professional work

• Monography: K.Krulić Himmelreich, J. Pečarić, D. Pokaz, Inequalities of Hardy and Jensen, Zagreb : Element, 2013
• co-author 39 scientific papers
• 1 professional paper

 List of key scientific papers

1. K. Krulić Himmelreich, J. Pečarić, D. Pokaz, D. and M. Praljak, Generalizations of Hardy-Type Inequalities by Montgomery Identity and New Green Functions, Axioms 2023, 12, 434. https://doi.org/10.3390/axioms12050434

2. K. Krulić Himmelreich, Some new inequalities involving the generalized Hardy operator, Mathematica Pannonica New Series 28 /NS 2/ (2022) 2, 127-132.

3. A. Gudelj, K. Krulić Himmelreich, K., J. Pečarić, General Opial Type Inequality and New Green Functions, Axioms 2022, 11, 252. https://doi.org/10.3390/axioms11060252

4. K. Krulić Himmelreich, Generalizations of Hardy Type Inequalities by Taylor’s Formula, Mathematica Slovaca, vol. 72, no. 1, 2022, pp. 67-84. https://doi.org/10.1515/ms-2022-0005

5. K. Krulić Himmelreich, J. Pečarić, D. Pokaz, D. and M. Praljak, Generalizations of Hardy Type Inequalities by Abel–Gontscharoff’s Interpolating Polynomia,. Mathematics 2021, 9, 1724. https://doi.org/10.3390/math9151724

6. A. Barbir, K. Krulić Himmelreich, J. Pečarić, General Opial type inequality, Aequationes Math, 89 (2015), no. 3, 641-655.

7.  K. Krulić Himmelreich, J. Pečarić, D. Pokaz, and M. Praljak, New results about Hardy-type inequality, J. Math. Inequal., 9 (2015) , 4; 1259-1269.

8. Iqbal, Sajid; Krulić Himmelreich, Kristina; Pečarić, Josip; Pokaz, Dora. n−exponential convexity of Hardy-type and Boas-type functionals. Journal of Mathematical Inequalities. 7 (2013) , 4; 739-750

9. Krulić, Kristina; Pečarić, Josip; Pokaz, Dora. Further bounds for Hardy type differences. Acta mathematica sinica-english series. 28 (2012) , 6; 1091-1102.

10. Elezović, Neven; Krulić, Kristina; Pečarić, Josip. Bounds for Hardy type differences. Acta mathematica sinica-english series. 27 (2011) , 4; 671-684

11. Iqbal, Sajid; Krulić, Kristina; Pečarić, Josip. On an inequality for convex functions with some applications on fractional derivatives and fractional integrals. Journal of Mathematical Inequalities. 5 (2011) , 2; 219-230

12.  Krulić, Kristina; Pečarić, Josip; Pokaz, Dora. Boas-type inequalities via superquadratic functions. Journal of Mathematical Inequalities. 5 (2011) , 2; 275-286

13.  Krulić, Kristina; Pečarić, Josip; Smoljak, Ksenija.New generalized Steffensen means. Collectanea mathematica. 62 (2011) , 2; 139-150

14. Krulić, Kristina; Pečarić, Josip; Smoljak, Ksenija. Fractional Steffensen Type Inequalities. Complex Variables and Elliptic Equations. 56 (2011) , 10/11; 975-990

15. Abramovich, Shoshana; Krulić, Kristina; Pečarić, Josip; Persson, Lars-Erik. Some new refined Hardy type inequalities with general kernels and measures. Aequationes mathematicae. 79 (2010) , 1-2; 157-172

16. Čižmešija, Aleksandra; Krulić, Kristina; Pečarić, Josip. Some new refined Hardy type inequalities with kernels. Journal of Mathematical Inequalities. 4 (2010) , 4; 481-503

17. Hansen, Frank; Krulić, Kristina; Pečarić, Josip; Persson, Lars-Erik. Generalized non-commutative Hardy and Hardy-Hilbert type inequalities. International journal of mathematics. 21 (2010) , 10; 1283-1295

18.  Iqbal, Sajid; Krulić, Kristina; Pečarić, Josip. On an Inequality Of H.G. Hardy. Journal of inequalities and applications. 14 (2010) ; 1-23

 University textbooks and other books

• 1.K. Krulić Himmelreich,K. Smoljak, Matematika 1- fakultetska skripta u e-obliku, Zagreb, Tekstilno-tehnološki fakultet, 2013.
• 2. K. Krulić Himmelreich, K. Smoljak, Ksenija, Statistika - fakultetska skripta u e-obliku, Zagreb, Tekstilno-tehnološki fakultet, 2013.