Education

• Aug 2000, Ph.D Mathematics, Institute of Mathematical Sciences, India.
• May 1994, M.Sc Mathematics, Indian Institute of Technology, Madras.

Experience

• From Jan'16, Professor, IIST, Trivandrum.
• Feb'10-Dec'15, Associate Professor, IIST, Trivandrum.
• Sep’07-Jan’2010, Assistant Professor, IIST, Trivandrum.
• Jun’06-Aug’07, Assistant Professor, IIT Bombay.
• Oct'00 - Jun'06, Postdoc.

Selected Publications:

• Dynamic problem for this piezoelectric plates: Two dimensional approximation, To appear in JIMS.
• Mathai, Job; Sabu, N. Lower dimensional approximation of eigenvalue problem for piezoelectric shells with nonuniform thickness. Indian J. Math. 63 (2021), no. 1, 1–33.
• Sabu, N. Two-dimensional approximation of thin piezoelectric membrane shells using gamma convergence. Proc. Nat. Acad. Sci. India Sect. A 90 (2020), no. 4, 629–635.
• Asymptotic analysis of eigenvalue problem for Koiters shells, Indian. J.Math. vol. 59, No.3, 2017, 337-351.
• (with J.Raja) Justification of asymptotic analysis for linear slendor rods, J. Ind. Math Soc., 2016, no:1-2, pg:181-192.
• (with J.Raja) Justification of asymptotic analysis for shallow shells, Journal of Indian Mathematical Society, 81 (3-4), 2015, 01-23.
• (with J.Raja) Two dimensional approximation of piezoelectric shallow shells with variable thickness, Proceedings of National Acad. Sciences, India Sec A, 84, 2014, no.1, 71-81.
• (with J.Raja) Justification of Koiter's shell model using gamma convergence, Proceedings of National Acad. Sciences, India. Sec A, 83, 2013, no. 3, 257-264.
• (with J.Raja) Justification of two dimensional model of shallow shells using gamma convergence, Ind. J. Pure and Appl., 44, 2013, 277-295.
• Deriving one dimensional model of elastic rods using gamma convergence, Diff. Eqns, and Dynamical Systems, 18(3), 2010, 317-325.
• Asymptotic analysis of piezoelectric shells with variable thickness, Asy. Anal, 54, 2007, 181-196. 
• (with S.Kaizu) Exact controllability and asymptotic analysis for shallow shells, Chinese Annals of Maths, 28B(I), 2007, 93-122.
• (with L.S.Xanthis) Two dimensional approximation of three dimensional eigenvalue problem for piezoelectric plates, HERMIS, Int. J. of Computer Mathematics and Applications, 6, 2006, 162-181.
• (with L.S.Xanthis) Asymptotic Analysis of piezoelectric shallow shells, HERMIS, Int.J. of Computer Maths and Appli., 5, 2005, 93-108.
• Vibrations of Piezoelectric Shallow Shells: Two-dimensional approximation,  Proc. Indian Acad. Sci. Math. Sci.  113, no.3, 2003, 333-352
• Vibrations of Piezoelectric flexural shells: Two-dimensional approximation,  J. Elasticity  68, no. 1-3, 2002, 145-165.
• (with P.G.Ciarlet and L.Gratie) An existence theorem for generalized von Karman equation, J. Elasticity, 62, 2001, 239-248.
• (with Ciarlet, P.G.; Gratie, L) Un th\'eor\'eme d'existence pour les \'equations de von K\'arm\'an g\'en\'eralis\'es, C. R. Acad. Sci. Paris S\'er. I Math.332, no. 7, 2001, 669-676
• Asymptotic Analysis of linearly elastic shallow shells with variable thickness, Chinese Annals of Maths, 4, 2001,  405-416.
• (with S.Kesavan) Two-dimensional approximation of eigenvalue problem for flexural shells,  Chinese Annals of Maths, 21 B, 2000, 1-16.
• (with S.Kesavan)One-dimensional approximation of eigenvalue problem for thin rods, Proc. Int. Conf. Function Spaces and Appli. India, Narosa Publishing House, India, 2000, 131-142.   
• (with S.Kesavan) Two-dimensional approximation of eigenvalue problem for shallow shells, Math. Mech of Solids, 4, 1999, 441-460.

Undergraduate:

1. Calculus
2. Differential Equations
3. Linear Algebra
4. Numerical Analysis
5. Probability and Statistics
6. Transform Techniques
7. Optimization

Postgraduate

1. Real Analysis
2. Functional Analysis
3. Complex Analysis
4. Algebra
5. Topology
6. Differential Equations

Ph.D courses

1. Distribution theory and Sobolev spaces.
2. Finite Element Method
3. Finite Difference Method

• Mathematical Elasticity
• Homogenization
• Partial Differential Equations