**Dr.S.Selvarajan**

B.Sc. [Hons] (Jaffna), PGD(Peradeniya), M.Phil (Sri Jeyawardanapura).

- Senior Lecturer in Mathematics
- selvarajan09@gmail.com
- 0718474685

- M.Phil in Mathematics ( University of Sri Jayawardanapura, 2004).
- PGD in Engineering Mathematics (University of Peradiniya , 1997).
- B.Sc. (Hons) in Mathematics (University of Jaffna, Sri Lanka, 1990).

- Head, Department of Mathematics and Statistics, University of Jaffna from 2017 to 2019.
- Convener of the Final year project Sub-committee of the Department of Mathematics and Statistics, University of Jaffna from 2010 to 2016.
- Editor of Section A- Pure Science, Jaffna Science Association for the year 2011.
- Secretary of the Science Teachers Common room (STCR) from 2011 to 2012.
- Chairman of the Information and Communication Technology Sub-committee of the Department of Mathematics and Statistics, University of Jaffna from 2011 to 2014.
- Academic advisor for Applied Mathematics, Department of Mathematics and Statistics, University of Jaffna from 2010 to 2013.
- Resource person for the orientation programme for level 1 students introductive talk on Applied Mathematics from 2009 to 2012.
- Coordinator, Special Degree Examination in Applied Mathematics, Department of Mathematics and Statistics, University of Jaffna from 2009 to 2012.
- Member of the Editorial Board and the Organizing committee, Conference Proceeding of the annual Research session Vavuniya Campus of the University of Jaffna for the year 2008.
- Acting Head of Department of Physical Science, Faculty of Applied Science, Vavuniya Campus of the University of Jaffna from 2004 to 2007.
- Coordinator of Department of Physical Science, Faculty of Applied Science, Vavuniya Campus of the University of Jaffna from 1997 to 2004.

- Presentation of Long Service Award on 2017.

- Life member of the Jaffna science Association (JSA) from 2009 to date.
- Life member of the Sri Lanka Association for Advancement of Science (SLAAS) from 2011 to date.

**Presentation:**

- Presentation on “Introduction to Mathematical Modelling”, Senathirajah Selvarajan, Dept. of Physical Science, Vavuniya Campus,
**2007**. - Presentation on “Effect of External Input Currents on Bursting in Neural Network Models”, Senathirajah Selvarajan, Asiri Nanayakkara and Malmini Ranasinghe, Annual Conference of Institute of Physics Sri Lanka,
**2004**. - Presentation on “Effects of Random Weights in Neural Network Models for Chaos in Spontaneous Bursting in Hippocampus Slices”, Senathirajah Selvarajan and Asiri Nanayakkara, Annual Conference of Institute of Physics Sri Lanka,
**2003**. - Presentation on “Chaos in Neural Networks”, Senathirajah Selvarajan, Asiri Nanayakkara and Malmini Ranasinghe, Institute of Fundamental Studies and University of Jaffna,
**2002**.

- Relativity and Electro Magnetic Theory.
- Mathematical Programming.
- Mathematical Modeling.
- Vector Analysis.
- Optimization.
- Mechanics I.
- Mechanics II.
- Dyanamics.

Muraleetharan, B., Sevarajan, S., and Srisatkunarajah, S., (2019) , A New Necessary Local Optimality Conditions for Nonlinear Programming Problems With Mixed Bounded Variable; Proceedings of Jaffna Science Association 26 (01); PP 27-28.

Muraleetharan, B., Selvarajan, S., and Srisatkunarajah , S., (2018), A Verifiable Sufficient Conditions for Identifying Global Minimizer Of Quadratic Fractional Programming Problem With Mixed Variables; Proceedings Of Jaffna Science Association Vol.25 (01); PP 09-10.

Muraleetharan, B., and Selvarajan, S., and Srisatkunarajah , S., (2017), Karush Huhn Tucker Sufficiency For p- Convex Programming With Mixed Bounded Variables; Proceedings Of Jaffna Science Association Vol . 24 (01) PP 05-06.

Muraleetharan, B., Selvarajan, S. and Srisatkunarajah, S., (2016) . A Useful Necessary Condition For Local Minimizer Of Quadratic Fractional Programming Problem With Mixed Variables. Proceeding Of The Jaffna Science Association , Vol.23 (01), PP 04-05.

Muraleetharan , B., and Selvarajan , S., Identifications Of Chaos in BVP Oscillator, Two Credits Project in Mathematics Special Degree , (2010).

Selvarajan , S., and Srisatkunarajah , S., Effect Of Input Current on Single Neuron Dynamics . Proceeding of the Jaffna Science Association, (2010).

Selvarajan , S., and Srisatkunarajah , S., Under –Estimators and Optimality in Mathematical Programming. Proceeding Of The Jaffna Science Association , (2010)