Associate Professor

Graph Theory 

Quotient-3 Cordial Labeling 

• labeling
• Cordial Labeling

• Sumathi and A. Mahalakshmi”Quotient-3 cordial labeling for path related graphs Part-II”, Trends in Mathematics- Springer, International, Chapter/ 10.1007/978-3-030-01123-955(2019), ISSN:  Print: 2297-021 Online: 2297-024X.
• Sumathi and A. Mahalakshmi “Quotient -3 Cordial Labeling for Star Related Graphs” , Global Journal of Pure and Applied Mathematics.,International, Volume 13, Number 7 (2017), pp. 3909-3918, ISSN 0973-1768.
• Sumathi and A. Mahalakshmi “”Quotient-3 Cordial Labeling for Cycle Related Graphs International Journal of Innovative Research in Applied Sciences and Engineering (IJIRASE), International, Volume 1, Issue 2, DOI: 10.29027/IJIRASE. v1.i2.2017, 73-79, ISSN 0973-1768.
• Sumathi and A. Mahalakshmi “Quotient-3 Cordial Labeling for Some Unicyclic Graphs – Part-II”, International of Journal Innovative Research in Pure and Engineering Mathematics (IJIRPEM), International, Volume 1,DOI:10.29027/IJIRPEM.v1.i1.2017 9-16, December 2017, ISSN : 2457 – 0524.
• Sumathi and A. Mahalakshmi “Quotient-3 Cordial Labeling for Some Special Graphs - Part-I”, International of Journal Innovative Research in Pure and Engineering Mathematics (IJIRPEM), International, Volume 1, Issue 1, DOI: 10.29027/IJIRPEM. v1.i1.2017, 17-23, December 2017, ISSN: 2457 – 0524.
• Sumathi and A. Mahalakshmi “Quotient-3 Cordial Labeling for Some Special Graphs - Part-II”, International of Journal Innovative Research in Pure and Engineering Mathematics (IJIRPEM), International, Volume 1, Issue 1, DOI: 10.29027/IJIRPEM. v1.i1.2017, 31-38, December 2017. ISSN: 2457-0524.
• Sumathi and A. Mahalakshmi “Quotient-3 cordial labeling for path related graphs- Part-I”, International Journal of Pure and Applied (IJPAM) Mathematics, International, Volume 115, No. 9, 2017, 249-258, ISSN: 1311-8080 (printed version); ISSN: 1314-3395 (on-line version).
• Sumathi and A. Mahalakshmi “Quotient-3 cordial labeling of some Jahangir graphs and its subdivisions- Part-II”, IAETSD Journal for Advanced Research in Applied Sciences, International, Volume 5, Issue 2, Feb-2018, 778 -787, ISSN: 2394-8442.
• Sumathi and A. Mahalakshmi “Quotient-3 Cordial for Generalized Petersen Graph-Part-I”, Jour of Adv Research in Dynamical & Control Systems, International, Vol. 10, No. 4, 2018, ISSN 1943-023X.
• Sumathi and A. Mahalakshmi “Quotient-3 Cordial for Generalized Peterson Graph-Part-II”, JaiMaa Saraswati Gyandayini-An International Multidisciplinary journal International, Vol.3, Issue-IV April-2018, ISSN: 2454-8367.
• Sumathi and A. Mahalakshmi “Quotient-3 Cordial Labeling for some unicyclic Graphs-Part-I”, International Journal of Pure and Applied Mathematics, International, Volume 118 No. 10 2018, 195-203, ISSN: 1311-8080 (printed version); ISSN: 1314-3395 (on-line version).
• Sumathi, A. Mahalakshmi and A. Rathi” Quotient Labeling of Corona of Ladder Graphs”, International Journal of Innovative Research in Applied Sciences and Engineering  (IJIRASE), Volume 1, Issue 3, DOI: 10.29027/IJIRASE. v1.i3.2017,  80-85, ISSN : 2456 – 8910.
• Sumathi, A. Mahalakshmi and A. Rathi” Quotient Labeling of standard graphs”, International of Journal Innovative Research in Pure and Engineering, Volume 1, Issue 1, DOI: 10.29027/IJIRPEM.v1.i1.2017.1-8, ISSN: 2457-0524.
• Sumathi, A. Mahalakshmi and A. Rathi” Some More Results on Quotient Labeling Of Special Graphs” International Journal of Pure and Applied Mathematics, Volume 115 No. 9 2017, 259-269.ISSN: 1311-8080 (printed version); ISSN: 1314-3395 (on-line version)

• Modulo Divisor Cordial for cycle related graphs, International Conference On “Applicable Mathematics” (ICAM 2016), 30th Nov- 1st Dec 2016, Stella Maris College, Chennai.
• Modulo Divisor Cordial for Path related graphs-Part-II, International Conference on “Mathematical Engineering and Technology”, ICMA-2017, Sacred Heart College, Vellore District, 27th and 28th January 2017.
• Quotient-3 Cordial labeling of some Jahangir graphs and its subdivision graphs, International Conference on “Mathematical Computer Engineering” (ICMCE-2017). VIT University, Chennai, 3-4 November 2017.
• Quotient-3 cordial labeling for Path related graphs-Part-II, International Conference on “Advances in Mathematical Sciences” (ICAMS-2017), VIT University, Vellore, 1-3 December 2017.
• “Modulo Divisor Cordial for Path related graphs”, Third Sresa National Conference on Reliability and Safety Engineering, SSN College of Engineering, Chennai, 01-03, December 2016.
• “Modulo Divisor Cordial for some graphs”, National Conference on Emerging Trends in Mathematical Sciences-NCETMS 2016, S.A. Engineering College, Chennai, 22nd December, 2016.
• “Quotient-3 cordial labelling of some Jahangir graphs and its subdivisions – Part - II” for some unicyclic graphs part-I”, National Conference on Emerging Trends in Mathematical Sciences-NCETMS 2017, S.A. Engineering College, Chennai, 22nd December, 2017.
• “Quotient-3 cordial labelling for some unicyclic graphs – part - I”, National Conference on Emerging Trends in Mathematical Sciences-NCETMS 2017, S.A. Engineering College, Chennai, 22nd December, 2017.

• International Conference on “Mathematics in engineering and business management” (ICMEB-2012), Stella Maris College, Chennai9-10, March 2012.
• Interactive Group Discussion On Domination Theory, E.M.G. Yadava Women’s College, Madurai, 21st & 22nd October 2013.
• Instructional Workshop On Graph Theory and its Applications to Visual Cryptography, Kalasalingam University, Krishnankoil, Srivilliputtur, 10-15 March 2014.
• A State Level One Day Workshop on Statistics and its Application in Projects, M.G.R Educational and Research Institute University, Chennai , 30th August 2016.
• National Conference on E-Governance & Cloud computing Services (EGOV-17), Dr. M.G.R Educational and Research Institute University, Chennai, April 27^th & 28^th
• One day workshop in “Linear Algebra” Department of mathematics, Saveetha Engineering College on 21^st July 2018.
• One day faculty development programme on “Algebra and Number Theory” Rajalakshmi Institute of Technology on 12^th June 2019.
• Two days workshop on “Algebra and Number Theory”, De Jumpartment of Mathematics, Saveetha Engineering College, on 28^th and 29^th June 2019.
• “Find the Entrepreneur in You”, Sree Ayyappa College for women, Chunkankadai, Nagorkoil, Tamilnadu on 14/05/2020.
• “E-Quiz on Numerical Methods”, Government of Puducherry Avvaiyar Government College for Women, Karaikal on 24/05/20.
• “Truth behind COVID statistics”, Dr. M.G.R. Educational and Research Institute,Chennai on 17/06/21.
• “Mock test for UGC-SET/NET/JRF- Paper-I” Madurai Kamaraj University Constituent Model College, Madurai on 23/05/20.
• “Math Quiz” k. Ramakrishnan College for technology, Samayapuram, Tiruchirapalli on 23/05.20.
• “E-Quiz”Guru Nanak College, Velachery, Chennai on 18/05/2020.
• “NAAC Awareness Programme for Faculty”Marathwada Mitramandal’s Institute of Technology(MMIT), Lohgaon, Pune from 08/05/2020 to 14/05/20.
• “Faculty Program on NBA”, Bharati Vidyapeeth College of Engineering, Belapur, Navi mumbai on 14/05/2020.

• Assistant Professor (SG) in Department of Mathematics, Saveetha Engineering College from 02.07.2018 to till date.
• Assistant Professor in Department of Mathematics, Sri Muthukumaran Institute of Technology from 08.2014 to 07.05.2018.
• Assistant Professor in Department of Mathematics, Sri Muthukumaran Institute of Technology from 02.2012 to 30.09.2012.
• Lecturer, Srinivasa Institute of Engg & Tech.,Chennai from 08.2011 to 14.01.2012
• Assistant Professor ,SACS MAVMM Engineering College, Madurai from 06.2010 to 16.05.2011.
• Assistant Professor ,SACS MAVMM Engineering College, Madurai from 01.2008 to 31.05.2010.
• Lecturer, Mangayarkarasi college of Arts & science for women, Madurai from 06.2006 to 31.12.2007.

Doctoral Committee member of a Research scholar of M. G. R. Educational and Research Institute, Chennai.