## Talks

**On some graph-cordial Abelian groups,**

Seminar, Warsaw University of Technology, Poland, 2022.**A group irregular labeling of digraphs,**

9th Cracow Conference on Graph Theory "RYTRO '22", Poland, 2022.**Minimal k-critical bipartite graphs,**

Seminar, University of Gdansk, Poland, 2022.**On some graph-cordial Abelian groups,**

Seminar, AGH, Poland, 2022.**A group irregular labeling of digraphs,**

**Invited talk**at 11th International Workshop on Graph Labeling, online, 2021.**On some graph-cordial Abelian groups,**

29th Workshop Cycles and Colourings, Slovakia, 2021.**Magic hypercubes,**

Seminar, AGH, Poland, 2021.**Minimal biregular k-critical bipartite graphs,**

28th Workshop '3in1', Poland, 2019.**A magic rectangle set on Abelian groups,**

Seminar, Poznan University of Economics and Business, Poland, 2019.**A magic rectangle set on Abelian groups,**

Seminar, AGH, Poland, 2019**Realization of digraphs in Abelian groups,**

Jubileuszowy Zjazd Matematyków Polskich w stulecie PTM, Poland, 2019.**A magic rectangle set on Abelian groups,**

Conference On the Trail of Women in Mathematics, Poland, 2019.**Realization of digraphs in Abelian groups,**

27th British Combinatorial Conference, United Kingdom, 2019.**Group distance magic labeling of hypercubes,**

9th Slovenian International Conference on Graph Theory ”Bled’19”, Slovenia, 2019.**Realization of digraphs in finite Abelian groups,**

Seminar, Warsaw University of Technology, Poland, 2019**Realization of digraphs in finite Abelian groups,**

Seminar, AGH, Poland, 2019**Application of constant sum partition of sets into graph labeling,**

Seminar, AGH, Poland, 2018**Realization of digraphs in Abelian groups,**

27th Workshop '3in1', Poland, 2018.**Labeling of graphs by elements of Abelian groups,**

department colloquium Adam Mickiewicz University, Poland, 2018.**Partition of sets and its applications in graph labeling,**

**Invited talk**at 32nd Midwest Conference on Combinatorics and Combinatorial Computing, Duluth, Minnesota, U.S.A., 2018**A magic rectangle set on Abelian groups,**

Graduate Colloquium, University of Minnesota Duluth, U.S.A. 2018**Linear bounds on nowhere-zero group irregularity strength and nowhere-zero group sum chromatic number of graphs**

MIdwest GrapH TheorY Conference LX, Fort Wayne IN, U.S.A., 2018**Old and new open problems on distance magic-type labeling**

**Invited talk**at 10th International Workshop on Graph Labeling, Muncie, Indiana, U.S.A., 2018**Group edge irregularity strength of graphs and harmonious order of graphs,**

8th Cracow Conference on Graph Theory "RYTRO '18", Poland, 2018**The zero sum partition of Abelian groups and its applications,**

Mathematical Research Seminar University of Primorska, Slovenia, 2018**A V**_{4}-cordial labeling of uniform hypertrees,

Seminar, AGH, Poland, 2018**Group twin coloring of graphs,**

26th Workshop '3in1', Poland, 2017**Group irregularity strength of disconnected graphs,**

Seminar, AGH, Poland, 2017**The zero sum partition of Abelian groups and its applications,**

5th Gdansk Workshop on Graph Theory, Poland, 2017**Group irregularity strength of disconnected graphs,**

26th Workshop Cycles and Colourings, Slovakia, 2017**Zero-sum partition of Abelian groups,**

Seminar, Adam Mickiewicz University, Poland, 2017**Sum partition into sets of the same order,**

Seminar, AGH, Poland, 2017**Survey on group distance magic graphs,**

Seminar, Warsaw University of Technology, Poland, 2017**Distance magic labeling,**

Seminar, AGH, Poland, 2016.**On constant sum-partition of Abelian groups and group distance magic labeling,**

25th Workshop '3in1', Poland, 2016**Games on map coloring,**

Seminar GRATKO, University of Wisconsin-Superior, U.S.A., 2015**Survey on distance magic graphs,**

Graduate Colloquium, Michigan Technological University, Houghton, Michigan U.S.A. 2014**Spectra of graphs and closed distance magic labelings**

28th Midwest Conference on Combinatorics and Combinatorial Computing, Las Vegas NV, U.S.A., 2014**A G-magic rectangle set and group distance magic labeling,**

25th International Workshop on Combinatorial Algorithms, Duluth MN, U.S.A., 2014**Group irregularity strength of graphs,**

Graduate Colloquium, University of Minnesota Duluth, U.S.A. 2014**Union of distance magic graphs,**

**Invited talk**at AMS Special Session on Graphs and Hypergraphs, Eau Claire Wisconsin, U.S.A., 2014**Distance magic types of labelings,**

**Invited talk**at Cesko-Slovenska konference GRAFY 2014, Teplice nad nad Becvou, Czech Republic, 2014**Magic labelings,**

Seminar, AGH, Poland, 2014**Distance magic circulant graphs,**

Seminar, AGH, Poland, 2013**Group irregularity strength of graphs,**

Seminar, Warsaw University of Technology, Poland, 2013**Group sum chromatic number of graphs,**

Seminar, AGH, Poland, 2012**Group irregularity strength of connected graphs,**

21st Workshop '3in1', Poland, 2012**Distance magic labeling of product of two graphs,**

21st Workshop Cycles and Colourings, Slovakia, 2012**Distance magic graphs,**

Seminar, University of Maribor, Slovenia, 2012**Distance magic hypercycles,**

Seminar, AGH, Poland, 2011**(H,k)-stability of graphs,**

Colourings, Independence and Domination, Szklarska Poreba, Poland, 2011**On (C**_{n},k) stable graphs,

2nd Istanbul Design Theory, Graph Theory and Combinatorics Conference, Istambul, Turkey, 2011**A note on k-cordial p-uniform hypertrees,**

International Workshop on Graph Labeling, Duluth MN, U.S.A., 2010**k-cordial p-uniform hipertrees,**

Colourings, Independence and Domination, Szklarska Poreba, Poland, 2009**Decomposition of***K*into_{n,n}*(0,j)*-prisms,

20th International Workshop on Combinatorial Algorithms, Czech Republic, 2009**k-cordial hipertrees,**

Seminar, AGH, Poland, 2009**Decomposition into trails,**

Seminar, Adam Mickiewicz University, Poland, 2009**Arbitrarily decomposable graphs,**

Seminar, Warsaw University of Technology, Poland, 2008**Super edge-graceful paths and cycles,**

17th Workshop Cycles and Colourings, Slovakia, 2008**Factorization of***K*into_{n,n}*(0,j)*-prisms,

Seminar, AGH, Poland, 2008**Polish System of Education,**

Undergraduate Colloquium, UMD, U.S.A. 2008.**Stefan Banach and "The Scottish Book",**

Undergraduate Colloquium, UMD, U.S.A. 2008.**Super edge-graceful paths,**

Mathematical Abundance Designs -- Graphs -- Number Theory, U.S.A., 2008**2-splittable and cordial graphs,**

39th Southeastern International Conference on Combinatorics, Graph Theory, and Computing, U.S.A., 2008**Factorization of***K*into_{n,n}*(0,j)*-prisms,

Seminar, Illinois State University, U.S.A., 2008**Decomposition into trails,**

21th Midwest Conference on Combinatorics, Cryptography and Computing, U.S.A., 2007**Decompositions of graphs into trails,**

Seminar GRATKO, University of Minnesota Duluth, U.S.A., 2007**Arbitrarily decomposition into open and closed trails,**

6th Slovenian International Conference on Graph Theory "Bled'07", Slovenia, 2007**The open trails in digraphs,**

42nd Czech-Slovak Graph Theory Conference, Czech Republic, 2007**Arbitrarily decomposable graphs,**

Seminar, AGH, Poland, 2007**Decompositions of bipartite graphs into trails,**

Seminar, University of P. Safarik in Kosice, Slovakia, 2006**Computer Aided Visualization of Problems Related to Polyhedra,**

Symposium on Computer Geometry SCG, Slovakia, 2006**Decomposition of complete bipartite graphs into open trails,**

Fifth Cracow Conference on Graph Theory "USTRON '06" , Poland, 2006**Decomposition of complete bipartite graphs into trails,**

15th Workshop Cycles and Colourings, Slovakia, 2006**Decompositions of graphs into trails,**

Seminar, TU Bergakademie Freiberg, Germany, 2006**Decomposition of complete bipartite graphs into open trails,**

EMS Conference Horizon of Combinatorics, Hungary, 2006**Decomposition of complete bipartite digraphs and even complete bipartite multigraphs into closed trails,**

Sixth Czech-Slovak International Symposium on Combinatorics, Graph Theory, Algorithms and Applications, Czech Republic, 2006**Decompositions of bipartite graphs into trails,**

Seminar, AGH, Poland, 2006**Arbitrarily vertex decomposable caterpillars,**

Seminar, AGH, Poland, 2005**Application of the Flash MX Program to Visualization of Selected Metric Problems,**

Symposium on Computer Geometry SCG, Slovakia, 2005**Decompositions of graphs into closed trails of even sizes,**

Seminar, University of West Bohemia in Pilsen, Slovakia, 2005**Decompositions of bipartite digraphs into trails,**

Seminar, AGH, Poland, 2004**Application of B-spline to Representation of Selected Lines and Surfaces,**

Symposium on Computer Geometry SCG, Slovakia, 2004**Arbitrarily vertex decomposable caterpillars,**

Workshop Cycles and Colourings, Slovakia, 2004**Applications of graph theory in static,**

Seminar, AGH, Poland, 2003