Dr. Geethika Sebastian
Dr. Geethika Sebastian
Asst. Professor (grade II)
Office Address:
Office No 311, Department of Mathematics, NIT Calicut
B.Sc. (H) Mathematics, St. Stephen's College, University of Delhi, 2011
M.Sc. Mathematics and Computing, IIT Guwahati, 2013
Ph.D., Department of Mathematics, IIT Hyderabad, 2018
Educational Qualifications
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B.Sc. (H) Mathematics, St. Stephen's College, University of Delhi, 2011
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M.Sc. Mathematics and Computing, IIT Guwahati, 2013
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Ph.D., Department of Mathematics, IIT Hyderabad, 2018
Journals
C. Tour´e, R. Brits, G. Sebastian “A multiplicative Kowalski-Slodkowski Theorem for C ⋆ -algebras” Canadian mathematical Bulletin, http://dx.doi.org/10.4153/S0008439522000662
G. Sebastian and S. Daniel, “ A weaker Gleason-Kahane-Zelazko theorem for ˙ modules and applications to Hardy spaces” Colloquium Mathematicum, Volume 164, Number 2 (2021), 273–28
G. Sebastian and S. Daniel, “ A characterizing property of commutative Banach algebras may not be sufficient only on the invertible elements”, Comptes Rendus Mathematique Volume 356, 6, (2018), 594–596 .”
G. Sebastian, S. Daniel,“ On the open ball centered at an invertible element of a Banach algebra” Operators and Matrices, Volume 12, Number 1 (2018), 19—25
Professional Experience
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Visiting Scientist, Statistics and Mathematics Unit, ISI Bangalore, Sep2018- Nov 2019
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Dr. D.S. Kothari Postdoctoral Fellow, IISc Bangalore, Dec 2019- Oct 2022
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B.Tech. Instructor - Mathematics, IISc Bangalore, Oct 2022- Jul 2023