**PRESENTATION in CONFERENCES**

**PRESENTATION in CONFERENCES**

Applications Of Graph Theory In Information Technology,

**The First International Conference on Neural Networks and Machine Learning (ICONNSMAL)**, 29 – 30 November 2022, Universitas Jember, IndonesiaGraph Theory and its Various Applications (Labeling And Coloring),

**The Sixth Interna-onal Conference on Combinatorics, Graph Theory and Network Topology (ICCGANT)**, 15-16 November 2022, Universitas Jember, IndonesiaBaskoro’s Related Results: Graph Labelings and Diregularity of Digraphs,

**The International Conference on Graph Theory and Information Security V**(Invited Speaker), 22 – 25 May 2022, ITB, Bandung, IndonesiaOn the dominant metric dimension of some particular classes of graphs,

**International Conference on Theoretical Computer Science and Discrete Mathematics ICTCSDM**, 02-04 December 2021, SSN, Chennai, IndiaGraph Theory and its Various Applications,

**The Fifth International Conference on Combinatorics, Graph Theory and Network Topology**(keynote speaker), 21-22 August 2021, Universitas Jember, IndonesiaTeori Graf dan Beragam Aplikasinya, Konferensi Nasional Matematika XX

**IndoMS,**6 – 7 Juli 2021, Universitas Pattimura, Ambon, IndonesiaGraph Coloring: Variations, Derivations, and Applications,

**The Fourth International Conference on Combinatorics, Graph Theory and Network Topology**(invited speaker), 22-23 August 2020, Universitas Jember, IndonesiaOn the Distance Vertex Irregular Labeling of Graphs and its Variations,

**International Conference on Applicable Mathematics**(invited speaker), 19 – 21 December 2019, Ramanujan College, University of Delhi, IndiaOn the local antimagic (total) labelings for vertex coloring of graphs,

**1st Workshop on Graph Theory, Combinatorics and Applications (GTCA),**9 – 10 October 2019, United Arab Emirates University, Al Ain, UAEDistance irregular labeling of graphs and its variations,

**The Third International Conference on Combinatorics, Graph Theory and Network Topology**(invited speaker), 26-27 October 2019, Universitas Jember, IndonesiaConstruction techniques and graph labeling,

**Department of Mathematics (Public Lecture)**, 7 Desember 2018, Manonmaniam Sundaranar University, IndiaOn the local antimagic total labeling of graphs,

**International Conference on Theoretical Computer Science and Discrete Mathematics (ICTCSDM**) (invited speaker), 3 – 6 Desember 2018, Chennai, IndiaSome Distance Based Problems in Graph Theory,

**The 2nd International Conference on Combinatorics, Graph Theory and Network Topology (ICCGANT)**(invited speaker), 24 – 25 Nopember 2018, Jember, IndonesiaDistance vertex irregular labeling of graphs,

**MIGHTY LX: The 60th Midwestern Graph Theory Conference**, 28 – 29 September 2018, Purdue University, Fort Wayne, Indiana, USAOn the (super) local antimagic (total) vertex coloring of graphs,

**The 10th International Workshop on Graph Labeling**(invited speaker), 26 – 28 September 2018, Ball State University, Muncie, Indiana, USALocal Antimagic Total Vertex Coloring of Wheel Related Graphs,

**Konferensi Nasional Matematika****(KNM) XIX**, 24 - 26 July 2018, Universitas Brawijaya, IndonesiaOn distance k-domination set of edge comb product of graphs,

**Colourings, Independence and Domination 17th Workshop on Graph Theory (CID 2017)**, 17-22 September 2017, Piechowice - Poland.On the local antimagic vertex coloring of some families of graphs,

**International Conference on Graph Theory and Information Security (ICGTIS)**(invited speaker),, 7 - 9 August 2017, UI – Indonesia.On the distance two-dominating number of graphs resulting from graph operations,

**Asian Mathematical Conference**, 25 - 29 July 2016, Nusa Dua – Indonesia.On distance irregular labeling of wheel related graphs,

**Distance in Graph**, 18 - 22 July 2016, Ubud–Indonesia.Magic Polygon,

**Bandung Workshop on Combinatorics and Optimization (BWCOP)**(invited speaker),, 1 - 2 November 2014, ITB Bandung – Indonesia.Distance irregular labelings of graphs,

**International Workshop on Graph Masters**(invited speaker),, 7 - 9 June 2014, UNISMA Malang - Indonesia.On the expansion of total edge irregular graphs,

**International Congress of Mathematicians (ICM)**, 13 - 21 August 2014, Seoul – Korea.Graph Labellings,

**SEAMS School on Numbers, Matrices and Graphs**, 4 - 16 November 2013, ITB Bandung - Indonesia.Digraph construction techniques and their classifications,

**Second IndoMS International Conference on Mathematics and Its Applications (IICMA)**(invited speaker), 6 - 8 November 2013, UGM Yogyakarta - Indonesia.Digraph construction technique using adjacency matrix,

**Seventh Czech-Slovak International Symposium on Graph Theory, Combinatorics, Algorithms and Applications (CSGT)**, 7 - 13 July 2013, Kosice - Slovak.Digraph construction technique using adjacency matrix,

**International Workshop on Optimal Network Topologies****(IWONT)**, Bandung, Indonesia, 27 - 29 July 2012.Total edge irregular labelings of chain and disconnected graphs,

**International Workshop on Graph Labelling**(IWOGL) (invited speaker), Bogor, Indonesia, 23 - 25 July 2012.On the total vertex irregularity strength of disconnected graphs

*,***GraphMasters Workshop**, ITB Bandung Indonesia, 18 - 19 Desember 2010.Classification of Construction Techniques of Large Directed Graphs

*,***Seminar****Combinatorics, Graph Theory and Applications**, Universitat Politecnica de Catalunya, Barcelona - Spanyol, 10 Desember 2009.Classification of Construction Techniques of Large Directed Graphs

*,***Seminar Teoria de Grafs**, Universitat de Lleida, Lleida - Spanyol, 9 Desember 2009.Diregularity of large directed graphs,

**Asian Mathematical Conference,**Kuala Lumpur, Malaysia, 22 - 26 Juni 2009.Keteraturan graf berarah,

**Konferensi Nasional Matematika XIV,**Universitas Sriwijaya, Palembang, Indonesia, 23 - 27 Juli 2008.Total vertex irregular labelings of wheels, fans, suns and friendship graphs,

**International Conference on Graph Theory and Information Security**, ITB Bandung, Indonesia, 10 – 13 February 2007.Classification of Construction Techniques of Large Directed Graphs,

**International Conference on Applied Mathematics (ICAM05)**, ITB Bandung Indonesia, 22 – 26 Agustus 2005.Vertex magic and antimagic total labelings of union of two particular classes of graphs,

**International Workshop on Graph Labeling**, Batu, Indonesia, 6 – 9 December 2004.Diregularity of digraphs,

**CGANT Research Mini Conference**, University of Ballarat, Australia, 5 November 2004.Construction techniques of large directed graphs,

**Indonesia Japan Conference on Computational Geometry and Graph Theory**, ITB Bandung, Indonesia, 13 – 16 September 2003.Construction of digraphs with minimum diameter,

**Konperensi Nasional Matematika XI**, UM Malang, Indonesia, 22 – 25 July 2002.Diregularity of digraphs of out-degree three and order two less than Moore bound,

**Twelfth Australasian Workshop on Combinatorial Algorithms**, Bandung, Indonesia, 14 – 17 July 2001.On the monotonicity of minimum diameter with respect to order and maximum out-degree,

*S***ixth Annual International Computing and Combinatorics Conference**, Bondi Beach, Sydney, Australia, 26 – 28 July 2000.Diregularity of digraphs close to Moore bound,

*Konperensi Nasional Matematika*X, ITB Bandung, Indonesia, 17 – 20 July 2000.Every generalized Petersen graph has a vertex-magic total labeling,

**Eleventh Australasian Workshop on Combinatorial Algorithms**, Hunter Valley, Australia, 29 July – 1 August 2000.Magic and antimagic labelings of graphs,

**Colloquium Series**, Institute of Mathematical Sciences, Universiti Malaya, Malaysia, 26 June 2000New construction of digraphs with minimum diameter,

**Summer 1999 Workshop on Graphs and Combinatorial Designs**, University of Hawaii, USA, 31 July – 7 August 1999.New construction of digraphs with minimum diameter,

**Forty third Australian Mathematical Society Annual Conference join meeting with the American Mathematical Society**, University of Melbourne, Australia, 12 – 16 July 1999.On magic labelings,

**Twenty fourth Australasian Conference on Combinatorial Mathematics and Combinatorial Computing**, Northern Territory University, Darwin, Australia, 5 – 9 July 1999.Open problems in mod sum graphs,

**Eighth Australasian Workshop on Combinatorial Algorithms**, Noosa, Australia, 14 – 18 July 1997.Open problems in sum and integral sum graph labellings,

**Eighth Australasian Workshop on Combinatorial Algorithms**, Noosa, Australia, 14 – 18 July 1997.Sum graph labellings and related problems,

**Third International Conference on Combinatorial Mathematics and Combinatorial Computing**, University of Melbourne, Australia, 30 June – 4 July 1997.New results on the sum number of a certain class of graphs,

**Twenty second Australasian Conference on Combinatorial Mathematics and Combinatorial Computing**, University of Technology Sydney, Australia, 1 – 5 July 1996.