- Ullas Thomas, SET-INDEXERS OF SPECIAL GRAPHS, Recent Trends in Engineer-ing, Viswajyothi College ofEngineering Vazhakkulam, November 27 (2014).
- Ullas Thomas, MORE ON TOPOLINE GRAPHS, National Seminar on Analysis,Government College Kazargod, December 3 (2014).
- Ullas Thomas, Set-magic Numbers of Certain Graphs, JP Journal of Applied Mathe-matics , 14(2) (2016), 33-46
- Ullas Thomas, More on Set-magic Graphs, International Journal of Advanced Mathe-matical Sciences(IJAMS), 3(2) (2015), 93-97.
- Ullas Thomas and Sunil C. Mathew, On Topological Numbers of Graphs, Novi Sad J.Math.(NSJM), 45(2), (2015), 85-95
- Ullas Thomas and Sunil C. Mathew, On Set-Indexers of Graphs, Palestine Journal ofMathematics (PJM), 3(2) (2014), 273-280
- Ullas Thomas and Sunil C. Mathew, Graphical Realization of a Topology, J. Adv. Res.Pure Math, 5(3) (2013), 73-87.
- Sunil C. Mathew and Ullas Thomas, A Note on Topological Numbers of Graphs, GraphTheory Notes N. Y., LXV (2013), 15-18.
- Ullas Thomas and Sunil C. Mathew, Topoline Set-Graceful Graphs, Far East J. Math.Sci. (FJMS), 72(2) (2013), 331-352.
- Sunil C. Mathew and Ullas Thomas, Strongly T-Set Graceful Graphs, Graph Theory Notes N. Y., LXII (2012), 17-28.
- Ullas Thomas and Sunil C. Mathew, Topologically Set Graceful Stars, Paths and Re-lated Graphs, South Asian J. Math., 2(4) (2012), 392-408.
- Ullas Thomas and Sunil C. Mathew, On Set-Semigraceful Graphs, International J.Math. Combin., 2 (2012), 59-70.
- Ullas Thomas and Sunil C. Mathew, On Set Indexers of Paths, Cycles and CertainRelated Graphs, Discrete Math. Algorithms Appl., 4(3) (2012), 1250025 (12 pages).
- Ullas Thomas and Sunil C. Mathew, On Topological Set Indexers of Graphs, Adv.Appl. Discrete Math., 5(2) (2010), 115-130.
- Ullas Thomas and Sunil C. Mathew, On Set Indexer Number of Complete K-Partite Graphs, Int. J. Math. Comput., 5(D09) (2009), 18-28.
- Ullas Thomas and Sunil C. Mathew, On Set Indexers of Multi-Partite Graphs, STARS.Int. Journal (Sciences), 3(1) (2009), 1-10.
Book/ Book Chapters Published:
- Ullas Thomas, Advanced Engineering Mathematica, Amal Jyothi Publishers, 2007.
- Ullas Thomas, Applied Engineering Mathematica, Amal Jyothi Publishers, 2007.
- Ullas Thomas, Basic Engineering Mathematica, Rubi Hill Publishers, 2007.
INVITED LECTURERS IN WORKSHOPS, SEMINARS AND CONFERENCES:
- 1.Emerging Trends in Graph Theory and its Applications, St. Aloysius College Edathua, January 21-23, 2015.
- A Seminar on Fuzzy Sets and Fuzzy Logic at St. Aloysious College Edathua on 8th February 2003.
- Prof. T. Thrivikraman Endowment Lecturer at Department of Mathematics of CUSAT Kochi on 3rd December 2007.
- National Seminar on Discrete Mathematics and its Applications at St. Paul's College Kalamassery, Ernakulam, 07-09 August 2008.
- Staff Development Programme on the Relevance of Mathematics in Engineering a Amal Jyothi College of Engineering, Kanjirappally, 17-22 August 2009.
- Instructional Workshop on Graph Colorings at National Center for Advanced Research in Discrete Mathematics(n-CARDMATH), Kalaishalingam University, Tamilnadu, 10-15 March 2010.
- InternationalWorkshop on Set-valuation Signed Graphs, Geometry and Applications(IWSSG-2011) at Mary Matha Arts and Science College Mananthavady on 2 to 6 September 2011.
- Refresher Course for College Teachers in Kerala-V, Kerala School of Mathematics Calicut, Topology, 11-14 January, 2014
- Refresher Course for College Teachers in Kerala-III, Kerala School of Mathematics Calicut, Real and Complex Analysis, 06-09 November, 2014.
- Workshop on Multivariable Calculus by Department of Basic Sciences, Amal jyothi Collge of Engineering Koovappally, 04-06 Aug 2016.
- International Seminar of Algebra and Coding Theory by Department of Mathematics, S.B.College Changanacherry, 08-10 Feb 2017
- Orientation Programme by UGC-ASC CALICUT UNIVERSITY, 03-30 August, 2017
- Workshop on Real Analysis by Department of Mathematics, S.B.College Changanacherry, 03-04 Nov 2017
- Refresher Course on Natural Science by UGC-ASC KERALA UNIVERSITY, 3-24Jan 2018.
DETAILS OF SEMINARS/ CONFERENCES ORGANIZED:
- National Seminar on Topology and its Applications (NSTA2018) by S. B. College Changanacherry from Feb 7-9 2018.
- National Seminar on Algebra and Graph Theory (NAGT 2019) by S. B. College Changanacherry
Member of KMA
OFFICIAL ROLES IN ADMINISTRATION / CORPORATE LIFE OF THE COLLEGE: