International and regional activities (including mixed hypergraph coloring).
Summary
Participated in 35 international conferences (14 as invited speaker), obtained grant of Confucius Institute (China),
8 grants of National Science Foundation of Italy (CNR), 4 grants of National Science Foundation of Germany
(Volkswagen Stiftung, DAAD, DFG, DFG), 2 grants of National Research Council of USA (via Georgia State University and
University of Illinois), won a Cariplo Fellowship (Polytechnic Institute of Milan, Italy), 15 research grants of
Troy University (USA), and was invited as a Visiting Professor at the University of Illinois (Urbana-Champaign, USA),
University of Toronto (Canada), University of Catania (Italy), University of Delaware (USA), Visiting Scientist at
McMaster University (Hamilton, Canada), Wilfrid Laurier University (Waterloo, Canada), and Visiting Member at Fields
Institute (Toronto, Canada).
In USA, gave talks in Athens (Georgia), Kent (Ohio), San Diego (California), Urbana-Champaign (Illinois), Newark
(Delaware), Boca-Raton (Florida), Atlanta (Georgia), Columbus (Georgia), Dahlonega (Georgia), Murfreesboro
(Tennessee), Huntsville (Alabama), Rutgers (New Jersey), Dothan (Alabama), Birmingham (Alabama), Auburn (Alabama),
Jacksonville (Alabama), Carrollton (Georgia), and Troy (Alabama).
In Italy, gave talks in Milan, Rome, Naples, Catania, Messina, Montesilvano, Capomulini, D'Aquila, Costermano,
Perugia, Sant'Alessio Siculo.
Also, gave talks in China (Beijing, Linyi), Germany (Duisburg, Dresden, Potsdam, Freiberg, Aachen), France
(Marseille), Malta (La Valetta), Holland (Enschede), Hungary (Budapest), Poland (Zielona Gora), Romania
(Constantsa), Ukraine (Odessa), Moldova (Kishinev), Russia (Moscow).
April 9, 2022. Invited speaker, TroyMathFest - 2022, undergraduate conference of Troy University.
March 7, 2022. As contributor, participation at 53rd Southeastern International Conference on Combinatorics, Graph Theory & Computing,
Boca Raton, Florida. Presentation title: Colorings of (p, q)-Uniform Complete Circular Mixed Hypergraphs. Presenter: Nicholas Newman.
October 21, 2021. Invited Zoom talk at the Discrete Mathematics seminar of Auburn University.
Title: "Recent results in Mixed Hypergraph Coloring: a survey".
October 29, 2020. Invited Zoom talk at the research seminar of Auburn University.
October 23-25, 2020. CLEP Calculus Committee Zoom meeting.
November 7, 2019. Invited talk at the research seminar of Auburn University.
Title: Chromatic polynomials of graphs and hypergraphs: a survey, and some open problems.
February 22, 2018. Invited talk at the research seminar of Auburn University.
Title: Mixed Hypergraph Coloring results obtained in Catania: a survey.
September 29, 2017. Talk at the seminar of the Department of Mathematics, Troy University.
Title: About my participation in HYGRADE, international conference in Italy.
October 8, 2015. Invited talk at the research seminar of Auburn University.
Title: Mixed Hypergraph coloring: some open problems and new results.
July 2, 2015. Moldova State University. As a voting member of the Specialized Council of Republic of Moldova in Mathematical Cybernetics,
participation in habilitation thesis defence of Dr. S. Cataranciuc (via Skype).
May 21, 2015. Moscow Witte University, International Scientific Conference "Control in Social and Economic Systems".
Member of the organizing committee.
May 20, 2015. Talk at the research seminar of the Institute of Mathemativs and Informatics of Moldavian Academy of Sciences,
Chisinau, Republic of Moldova. Title: "Mixed Hypergraph Coloring: from origin in Moldova to the whole world."
May 7, 2015. Talk in Moscow Witte University, Moscow, Russia.
Title: "Discrete Mathematics: why do we need it?".
April 2-12, 2015. Grant of Confucius Institute of Troy University and support of Beijing Normal University and Linyi University for research trip to China.
April 8-10, 2015. Talks at the research seminar in Linyi University, Linyi, China.
Title: Some results and open problems in Mixed Hypergraph Coloring.
April 7, 2015. Talk in Linyi University, Linyi, China. Title: Mathematics: why do we love it?
April 2nd, 2015. Talk in Beijing Normal University, Beijing, China.
Title: Coloring theory: history, results and open problems.
February 23, 2015. Invited talk at the research seminar of the Department of Mathematical Sciences, University of Delaware, Newark, DE.
Title: 1912-2015: One hundred+ years to chromatic polynomial.
February 10, 2015. Invited talk at the research seminar of Auburn University.
Title: Hypertrees and cycles in hypergraphs.
January 16, 2015. Invited colloquium at the Department of Mathematics, University of West Georgia, Carrolton, GA.
Title: Some results and open problems in hypergraph coloring.
October 30, 2014. Invited talk at the research seminar of Auburn University.
Title: Some open problems in hypergraph coloring.
March 29, 2014. Participation in Troy MathFest, undergraduate mathematics conference, Troy University, Montgomery, Alabama.
February 20, 2014. Invited talk at the research seminar of Auburn University.
Title: Coloring mixed hypergraphs: some new results and open problems.
October 29, 2013. Invited talk at research seminar of the Department of Mathematics and Statistics, Auburn University.
Title: "Hypergraph Coloring: a survey".
January 16, 2013. Talk at the seminar of the Department of Mathematics and Geomatics, Troy University.
Title: "1912 - 2012: one hundred years to Chromatic Polynomial".
October 17, 2012. Invited talk at the Colloquium of Columbus State University, Columbus, Georgia.
Title: "Coloring Mixed Hypergraphs: from Combinatorics to Philosophy."
September 26, 2012. Talk at seminar of the Department of Mathematics and Geomatics, Troy University.
Title: "Presentation about my participation in Combinatorics 2012".
August 30, 2012. Invited talk at research seminar of the Department of Mathematics and Statistics, Auburn University.
Title: "1912 - 2012: one hundred years to Chromatic Polynomial".
March 6, 8, 2012. Attending research seminar of the Department of Mathematics and Statistics, Auburn University.
Speakers: Mariusz Meszka and Alex Rosa.
February 26-27, 2012. Participation at
Atlanta Lecture Series in Combinatorics and Graph Theory V
,
organized jointly by Emory University, Georgia Institute of Technology and Georgia State University, with support from NSA and NSF, and Georgia Tech's program in Algorithms, Combinatorics, and Optimization [ACO].
October 20, 2011. Invited talk at the Department of Mathematics and Statistics, Auburn University, Auburn, AL.
Title: "Stinson hill-climbing algorithm and its application in coloring of BSTS(25)".
Joint talk with undergraduate student Christian Randolph.
October 18, 2011. Invited talk at the Department of Mathematics and Statistics, University of South Alabama, Mobile, AL.
Title: "Coloring Theory: history, results and open problems."
March 26, 2011. Participation at TroyMathFest, Troy University undergraduate conference, Dothan campus.
Title: "Coloring Mixed Hypergraphs: uncolorability."
February 26-27, 2011. Participation at
Atlanta Lecture Series in Combinatorics and Graph Theory II
,
organized jointly by Emory University, Georgia Institute of Technology and Georgia State University, with support from NSA and NSF, and Georgia Tech's program in Algorithms, Combinatorics, and Optimization [ACO].
February 15, 2011. Attending research seminar of the Department of Mathematics and Statistics, Auburn University.
February 2, 2011. Talk at the research seminar of the Department of Mathematics, Physics, Computer Science and Geomatics, Troy University.
Title: "Mixed Hypergraph Colorings: research projects for students".
January 25, 2011. Invited talk at the research seminar of the Department of Mathematics and Statistics, Auburn University.
Title: Coloring Mixed Hypergraphs: some results and open problems.
September 1, 2010. Talk at the research seminar of the Department of Mathematics, Physics, Computer Science and Geomatics, Troy University.
Title: "Introduction to Hypergraphs".
February 6th, 2010. Talk at Troy Mathfest, undergraduate conference of Troy University, Montgomery campus, Alabama.
Title: "Lucia Gionfriddo and her contribution to mixed hypergraph coloring."
October 21, 2009. Talk at the research seminar of the Department of Biological & Environmental Sciences, Troy University.
Title: "Bioinformatics as a new discipline for unraveling Genetics".
January - May, 2010. Research Grant (time release) of Troy University: submitting a NSF RUI Grant Proposal.
September 22, 2009. Invited talk at the research seminar of the Department of Mathematics and Statistics, Auburn University.
Title: presentation of two new textbooks: "Introduction to Graph Theory" and "Introduction to Graph and Hypergraph Theory".
Contents, main ideas, features and methodology.
August 26, 2009. Talk at the research seminar of the Department of Mathematics, Troy University.
Official presentation of two new textbooks: "Introduction to Graph Theory" and "Introduction to Graph and Hypergraph Theory".
August - December 2009. Research Grant (time release) of Troy University: Graphs, Hypergraphs and Block Designs.
February 28, 2009. Invited Lewis-Parker lecture at the annual meeting of AACTM, University of Jacksonville, Jacksonville, AL.
Title: "Graph Coloring: history, results and open problems".
February 20, 2009. Invited colloquium at the Department of Computer Science, Kent State University, Kent, OH.
Title: "Graph Coloring: history, generalizations, algorithms and open problems".
October 07, 2008. Invited talk at the research seminar of the Department of Mathematics and Statistics, Auburn University.
Title: "Coloring Theory: history, results and open problems".
July 1-31, 2008. Summer research grant of Troy University "Some problems in mixed hypergraph coloring".
June 23-28, 2008. As a main speaker, participation at
Combinatorics 2008,
the International conference on pure and applied combinatorics and its connections with Geometry, Graph Theory and Algebra.
February 26, 2008. Invited talk at the research seminar of the Department of Mathematics and Statistics, Auburn University.
Title: "Some recent results and open problems in mixed hypergraph coloring".
January 6-9, 2008.
Joint Mathematics Meetings, San Diego, CA.
Invited talk at the SIAM Mini-symposium on Graph Coloring and Partitioning.
Title of the talk: "Recent results and open problems in mixed hypergraph coloring."
October 8-14, 2007. Research trip to Catania (Italy) for scientific collaboration supported by the research grant of University of Catania and Ministry of Education of Italy.
July 23-30, 2007. Research trip to Veszprem (Hungary) for scientific collaboration supported by Troy University and Department of Computer Science of the University of Pannonia (Hungary).
July 1-31, 2007. Summer research grant of Troy University "Introduction to Graph and Hypergraph Theory".
February 7, 2007. Talk at the research seminar of the Department of Mathematics and Physics, Troy University.
Title of the talk: "Open problems in mixed hypergraph coloring".
January- May 2007. Research Grant (course release) of Troy University: Introduction to Graph and Hypergraph Theory.
September 15, 2006. Talk at the seminar of the Department of Mathematics and Physics, Troy University.
Title of the talk: "Why I am writing another book on Graph Theory".
April 18, 2006. Invited talk at the seminar of the Department of Mathematics and Statistics, Auburn University.
Title of the talk: "On quasi-triangulated graphs."
March 17, 2006. Alabama Academy of Sciences, session at Troy University.
Title of the talk: "The history of the most famous error in Graph Theory".
March 4, 2006,
Troy MathFest, Troy, Alabama.
Title of the talk: "Splitting-contraction as a generalization of connection-contraction."
September 02, 2005. Seminar of the Department of Mathematics and Physics, Troy University.
Title of the talk: "Modeling with Mixed Hypergraphs".
July 29, 2005. Participation in Faculty/Staff Troy University Gala Convocation.
June 1 - 30, 2005: Summer Research Grant of Troy University.
May 12-14, 2005, Huntsville, Alabama. Participation at
18th Cumberland Conference
on Combinatorics, Graph Theory, and Computing with talk "On Quasi-Triangulated Graphs".
April 18, 2005. 2004-2005 Distinguished Scholar Award by the Honor Society of Phi Kappa Phi Troy University Chapter 129.
April 12, 2005. Seminar of the Department of Mathematics and Physics, Troy University.
Title of the talk: "Introduction to Coloring Theory".
September 27, 2004, Troy, Alabama. Talk at the research seminar of the Department of Math and Physics (TSU):
"About my participation at the International Conference Combinatorics 2004 which took place September 12-18, 2004 in Italy".
September 12-18, 2004, Catania - Capomulini, Italy (Sicily). Invited speaker and scientific committee member,
International Conference Combinatorics 04,
Catania - Capomulini, Italy.
August 31, 2004, Troy, Alabama. Talk at the research seminar of the Department of Math and Physics (TSU):
Uncolorable Mixed Hypergraphs: Why the Concept of Natural Number is Contradictory.
June, 2004: Summer research Grant of Troy University.
May 20-22, 2004, Middle Tennessee State University, Murfreesboro, Tennessee. Participation at
17th Cumberland Conference
on Combinatorics, Graph Theory, and Computing with talk "Coloring Mixed Hypergraphs: results and open problems".
March 04, 2004: Talk at
Math Fest,
Troy State University: "List colorings without ... lists."
February 10, 2004. Talk "Chordal graphs and chromatic polynomials", research seminar of the Department of Mathematics, Troy State University.
November 13, 2003, invited talk at the research seminar of the Department of Discrete and Statistical Sciences, Auburn University.
September 30 - October 4, 2003, invited speaker,
ISGDA2003,
International Symposium on Graphs, Designs and Applications, Messina, Italy.
August 26, September 2, 2003, talk at the research seminar, Department of Mathematics and Physics, Troy State University:
Introduction to Mixed Hypergraph Coloring.
March 1-2, 2000, Workshop on Block Designs, Fields Institute (with talk).
February 14-19, 2000, Workshop on Probabilistic Graph Theory, Fields Institute.
January 17-22, 2000, Workshop on Graph Minors and Topological Graph Theory, Fields Institute.
November 8-10, 1999, invited speaker at International Messina Workshop on Graphs and Combinatorics.
October - December, 1999, Dipartimento di Matematica, Politecnico di Milano, Cariplo Fellow.
July 4-11, 1999, Conference "Paul Erdös and his Mathematics", held in the memory of Paul Erdös, Budapest, Hungary (supported by the Organizing Committee).
March 25, 1999, invited talk, Discrete Mathematics Seminar in TU Zielona Gora, Poland.
February 18, 1999, Dresden Workshop on Graph Theory (with talk).
January - April, 1999, visited TU-Dresden, Germany, supported by DFG Grant on Colorings of Circular Mixed Hypergraphs.
October - November, 1998, Visiting Professor, Catania University.
October 1998, 4th Catania Workshop on Graphs and Combinatorics, invited speaker.
August 2-7, 1998, invited lecturer, DIMACS Research and Educational Institute, Rutgers, The State University of New Jersey.
August 3-5, 1998, visited RUTCOR, The State University of New Jersey, invited by Professor Peter Hammer.
July 12-15, 1998, 9th SIAM Conference on Discrete Mathematics, University of Toronto, Canada.
March - August, 1998, supported by Long-Term COBASE research grant on Colorings of Mixed Hypergraphs, NSF and University of Illinois at Urbana-Champaign.
March 20-21, 1998, 931st AMS Meeting at the University of Louisville (section Combinatorics and Graph Theory).
March 9-13, 1998, 29th Southeastern International Conference on Combinatorics, Graph Theory, and Computing, Florida Atlantic University, Boca Raton, Florida, USA (with talk).
October - November 1997, Visiting Professor, University of Catania.
September 24-28, 1997, invited speaker, Malta International Workshop on Graphs and Combinatorics.
September 18--20, 1997, invited fellow, International Conference Graph Drawing'97, Rome, Italy.
May 25 - July 25, 1997, supported by DAAD, TU-Dresden, Germany (with talks at research seminars in the Institut fur Algebra, TU-Dresden, and in the Institut fur Theoretische Mathematik, TU Bergakademie Freiberg).
May 18-20, 1997, 5th Twente Workshop on Graph Theory and Combinatorial Optimization, Twente University, The Netherlands (withn talk).
October - November 1996, Visiting Professor, University of Catania.
In March - April, 1996, supported by short term COBASE research grant and visited Georgia State University and Auburn University (with talks).
September 3-8, 1995, 5th International Conference on Graphs and Combinatorics, Marseille-Luminy, France (with talk).
September - November 1995, Visiting Professor, University of Catania; research seminars at the universities of Catania, Messina, Neaples, Rome and the Polytechnic Institute of Milano.
During 1994 - 1995, Scientific Research Program "Volkswagen-Stiftung Project No.I/69041", University of Duisburg, Germany. March 1995, March 1994, talks at research seminar, University of Duisburg.
September - October 1995, Visiting Professor, University of Catania.
June 19-23, 1995, Workshop Graph Concepts in Theoretical Computer Science, Aachen, Germany.
June 7-9, 1995, 4th Twente Workshop on Graphs and Combinatorial Optimization, University of Twente, Enschede, The Netherlands (with talk).
March 19-24, 1995, International Conference "Carolus Magnus Colloquium" at Aachen, Germany (with talk).
September - October 1994, Visiting Professor, University of Catania.
September 22-23, 1994, invited speaker, Catania Workshop on Combinatorics.
September 10-16, 1994, invited lecturer, International Conference COMBINATORICS'94 (Roma-Montesilvano (PE), Italy).
May 30 - June 3, 1994, International Conference on Discrete and Computational Geometry (Budapest, Hungary).
September - November 1993, Visiting Professor, University of Catania.
September 26 - October 2, 1993, International Conference on Discrete Mathematics, University of Potsdam, Germany (with talk).