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Present Position :
Professor, Department of Mathematics, West Bengal State University , India (10. 02. 2009 onwards )
Previous (Permanent) Positions held :
- Reader, Dept. of Mathematics, Kalyani University , 08. 03. 2004 – 09. 02. 2009
- Lecturer ( Sr. Scale), Dept. of Mathematics, Kalyani University, 02. 02. 2001 – 07. 03. 2004
- Senior Lecturer, Dept. of Mathematics, Ananda Mohan College, 08.03. 1999 – 01. 02. 2001
- Lecturer, Dept. of Mathematics, Ananda Mohan College, 25. 11.1997 – 07.03.1999
- Lecturer, Dept. of Mathematics, Tripura University, 08.03.1995 – 24.11.1997
Educational Qualifications :
B. Sc. ( Hons.) in Mathematics, Calcutta University , 1984 ;
M.Sc. in Pure Mathematics, Calcutta University, 1986 ;
Ph.D. in Pure Mathematics (Topology), Calcutta University, 1993
Fellowships Obtained :
- Calcutta University Research Scholarship , 1988
- UGC JRF, 1988
- UGC SRF, 1990
Award / Honour Received
- S. N. Bose Birth Centenary Young Scientist Award , 1993
- Chairman of a session in ICMS International Conference on Mathematical Sciences 2010, Abant Izzet Baysal University, Bolu, Turkey, November 23- 27, 2010 ( Turkey )
- Invitation received as a valuable speaker to present my recent work and ideas of my paper A note on disconnectedness that was published in Chaos, Solitons & Fractals (Elsevier Journal) ( in 2009) in the international meeting : 2011 Montreal International Forum Emerging Trends in Higher Education , Montreal, Quebec, Canada November 19-20, 2011 ( Canada ).
- CSIR Research Associateship, 1995
- NET ( Joint CSIR-UGC JRF Exam.) Qualified, 1988
(Invitation Received) for Paper Presentation / Invited Talk ( abroad ) in 2010 - 2011 :
1. International Symposium on Topology , Institute of Pure and Applied Mathematics, Chonbuk National
University, South Korea, on June 16, 2010 ( 50 minutes invited talk) ( South Korea )
2. The Summer Symposium XXXIV in Real Analysis in Wooster, Ohio, USA, of Real Analysis Exchange during
July 13-17, 2010 (USA )
3. 2010 International Conference of the Honam Mathematical Society at the Mokpo National University,
South Korea, during June 17- 19, 2010 (South Korea )
4. ICMS International Conference on Mathematical Sciences 2010, Abant Izzet Baysal University, during November
23-27, 2010 Bolu (Turkey )
5. 26th Summer Conference on Topology and its Applications, City University, New York, during July 26-29,
2011 ( USA )
6. 14th Galway Topology Colloquium, Queen's University Belfast, ( U.K. ) during August 15th to 17th, 2011
7. The Symposium on the Danube, Alfréd Rényi Mathematical Institute, June 5-11, 2011, Budapest, Hungary
8. International meeting: 2011 Montreal International Forum Emerging Trends in Higher Education, Montreal,
Quebec, Canada November 19-20, 2011 (invitation received as a valuable speaker ) (Canada)
9. The 3rd International Symposium on Nonlinear Dynamics will be held on Sept.25-28, 2010,Shanghai, (China)
Workshop / School Attended ( India & Abroad ):
1 . CIMPA- Egypt Winter School on Applied Functional Analysis at African University, Aswan, Egypt, during January
13- 31,1990 ( Egypt )
2. Atiyah- Singer Index Theorem Workshop, Aprill 10-29,1989, Indian Statistical Institute , Bangalore
3. UGC Sponsored Instructional conference on C * algebras, December 5-26,1988, University of Hyderabad
Fields of Research Interests :
- Topology
- Measure & Integration
- Real Analysis, Functional Analysis
- Topological Entropy
Important Research Publications ( abroad ) (2008 onwards ) :
- Fuzzy topological entropy of fuzzy continuous functions on fuzzy topological spaces, Applied Mathematics
letters, 24 (2011) 2030–2033 ( Elsevier) ( USA ). - Some new classes of spaces and associated graphs, Journal of Advanced Research in Pure Mathematics
(to appear ) 2012 ( USA ) .
- -closedness in fuzzy topological spaces, Canadian Journal of Pure & Applied Sciences (British
Columbia) , Vol. 5, No. 1, pp. 1439-1447, Feb 2011 ( Canada )
- Pt(wr,s)- closed spaces and pre-(wr, s) t-qf -cluster sets, Comm. Korean Math. Soc., 26 (2011), No. 1, pp. 135-
149 ( South Korea ).
- Generalization of E- Michael’s J- Space, American Institute of Physics( AIP ) Conference Proceedings,
Volume 1309, pp. 124-139 (2010) ( USA ).
- Pw-Closedness and Its Generalization with respect to a grill, Sarajevo Journal of Mathematics Vol.7 (20) (2011)
(to appear ) (Bosnia ) .
- A New Kind of Cluster Sets and its Applications, Missouri Journal of Mathematical Sciences, 21 (3 ) 2009,
October, 198-205 (USA).
- Uniformizable subtopology and a sort of converse of A. H. Stone’s Theorem, Real Analysis Exchange Summer
Symposium 2010 pp. 67-75 ( USA)
- A Note On Disconnectedness, Chaos Solitons & Fractals ( Elsevier), 42 (2009) 3242-3246 ( Amsterdam)
- Degeneracy of some Cluster sets, Italian Journal of Pure and Applied Mathematics (accepted and to
appear) (Italy).
- Non- Continuous Functions Associated with a Covering Property defined by β- open sets, Real Analysis
Exchange , Volume 35, Number 1 (2009), 65-78 ( USA)
- A Class of Functions and Separation axioms with respect to an operation, Hacettepe Journal of Mathematics
& Statistics, vol. 38 (2), 2009, 1-16 ( Turkey).
- Functions with Strongly β-θ- Closed Graphs, Mathematica, Tome 51 (74), No 2, 2009, pp. 119-128 (Romania).
- Locally β – Closed Spaces , European Journal of Pure and Applied Mathematics, vol. 2,No. 1, 2009, 85-96.
( Turkey ).
- Properties of Almost Continuous Multifunctions, Southeast Asian Bulletin of Mathematics, 2008, 32, 223-234
( China)
- b-Closed Spaces and b-q-Subclosed Graphs, European Journal of Pure and Applied Mathematics, vol. I,
No. 3, (2008), 40 -50. ( Turkey ).
- A Generalization of H-closed Spaces, Tamkang Journal of Mathematics, Vol. 39, no. 2, 143- 154, summer
2008, ( Taipei, Republic of China ) .
Referee of the following international journals ( abroad ) in 2010-2011 :
- Fasciculi Mathematici ( Poland )
- Creative Mathematics and Informatics ( Romania )
- Journal Advanced Research in Pure Mathematics (JARPM), ( USA )
- Italian Journal of Pure and Applied Mathematics ( Italy )
- Hacettepe Journal of Mathematics and Statistics ( Turkey )
- Boletim da Sociedade Paranaense de Matemática (BSPM) ( Brazil )
- Journal Facta Universitatis, series: Physics, Chemistry and Technology ( University of Niš , Serbia)
- Canadian Journal of Pure and Applied Sciences ( Canada )
Ph.D. Research Guidance :
Awarded (1), Will Submit soon (1), Near completion (1), Another Ph.D. students working (2)
No. of Ph.D. Thesis examined :
- Ph.D. Thesis Evaluated : 03 ; of which one from Madurai Kamraj University.
- Ph.D. Viva-voce conducted : 02 .
Subject Taught at PG- Level :
Algebra, Topology, Linear Algebra, Functional Analysis,
Real Analysis, Operator Theory, Lebesgue Measure & Integration
Teaching Experience :
PG- Level : 13 years; i) in Tripura University ii) Kalyani University iii) West Bengal State University
UG- Level : 3 years; in Ananda Mohan College, Kolkata
Membership of Professional Bodies :
- Convenor of the Ph.D. Committee, West Bengal State University.
- Chairperson of the PG-Board of Studies, West Bengal State University.
- Chairperson of the Under Graduate Board of Studies, West Bengal State University.
- Ex Member of the Faculty Council of PG –Board of Studies, Kalyani University.
- External Member of the UG- Board of Studies, Kalyani University.
- Member of the PG - Board of studies, Dum Dum Motijheel College.
- Nominated Member of the Govorning Body, Barasat Govt. College.
- Member of the committee for conference Participation, West Bengal State University
- Life Member of Tripura Mathematical Society.
Invitation Received for Submission of Research papers :
- Journal of Advanced Research in Pure Mathematics (JARPM), ( USA )
- Journal of Quantum Information Science (JQIS), ( USA )
- ISRN Geometry
- EJPAM: Journal of Algebraic Statistics ( Turkey )
- Intelligent Control and Automation, ( USA )
- European Journal of Pure and Applied Mathematics ( Special Issue dedicated to the memory of Prof. Sir Clive W.J. Granger, Nobel Laureate) ( Turkey )
- Fractal spacetime and noncommutative geometry (an international journal)
- Fundamental Journal of Mathematical Physics
- Cubo Journal of Mathematics ( Brazil )
- Topology Proceedings ( USA )
- International Journal of Research and Reviews in Applied Sciences ( Pakistan )
- International Journal of Mathematical Sciences and Engineering Applications (IJMSEA)
- Canadian Journal of Pure and Applied Sciences ( Canada )
- African Journal of Mathematics and Computer Science Research
Major Publications :
- q-equivalent spaces – a new approach to ro-equivalent spaces and semi-regular properties, Indian J. Pure and
Applied Math. , 22 (9), 745- 750, 1991 ( INSA) .
- On semi-q-closed sets, semi-q-connectedness and some associated mappings, Bull. Cal. Math. Soc. 83, 227-
238, 1991.
- q-rigid sets in topological spaces, Analele Stintifice ale Universitiatill, AI. I. CUZA din IASI, Toml XXXVIII, S.I. a.,
Mat. 1992 f. 2, 189-194 ( Romania ).
- Further characterizations of s-closed spaces, Indian J. Pure and Appl. Math. 23 (9), 635- 641, 1992 ( INSA ).
- More on s-closed spaces, Soochow J. Math.,18 (4) 1992, 409-418 ( Republic of China ).
- On S-closed and s-closed spaces, Bull Malaysian Math. Soc. (second series) 15 (1992) 1-7 ( Malaysia ).
- s-closed spaces and Multifunctions, Soochow J. Math.,19 (2) 1993, 213-223 (Republic of China).
- On q-semi-closed functions, Glasnik Mat, 28 (48) 1993, 131-138 ( Corasia ).
- On nearly compact spaces and d*-continuous functions, Boll Un. Mat. Ital, (7) 8-A (1994), 223-232 ( Italy ).
- A new regular measure on topological spaces –II, Jour. Pure. Math., 12 (1995) 7-15.
- On locally s-closed spaces, Internat. J. Math. and Math. Sci., vol. 19 (1), 1996, 67-74 ( USA ) .
- A new regular measure on topological spaces-I, Far. East. Math. Sci., Special vol. (1997), Part-I, 35-47.
- Existence of an invariant measure on a generalized topological group, Bull. Cal. Math. Soc. 131-134 (1997).
- Existence and uniqueness of an invariant integral on more general class of functions in a generalized topological
group, Jour. Pure Math., Vol.14, 10-17, 1997.
- On strongly irresolute and g-continuous functions, J. Pure Math., Vol. 14, 35-41, 1997.
- A class of spaces and their anti spaces, Tamkang Journal of Maths. Vol. 34, No. 4, Winter 2003, 357-
364 ( China ),.
- On s-perfect functions, Atti sem Mat. Univ. Modena LI, 215-22, 2003, ( Italy ).
- On d-perfect Functions, Tamkang Journal of Maths.,2004, 35, No. 3, 207-212, ( China )
- Properties of Almost Continuous Multifunctions, Southeast Asian Bulletin of Mathematics, 2008, 32, 223-234
( China).
- A Generalization of H-closed Spaces, Tamkang Journal of Mathematics, Vol. 39, no. 2, 143-154, summer 2008
( China ).
- A New Kind of Cluster Sets and its Applications, Missouri Journal of Mathematical Sciences, 21 (3 ) 2009,
October, 198-205 (USA)
- b-Closed Spaces and b-q-Subclosed Graphs, European Journal of Pure and Applied Mathematics, vol. I, No. 3,
(2008), 40 -509 ( Turkey ).
- Degeneracy of some Cluster sets, Italian Journal of Pure and Applied Mathematics (to appear) ( Italy ).
- Functions with Strongly β-θ- Closed Graphs, Mathematica Cluz (accepted and to appear) ( Romania).
- Locally β–Closed Spaces, European Journal of Pure and Applied Mathematics, vol. 2, No. 1, 2009, 85-96
( Turkey ).
- A Note On Disconnectedness, Chaos Solitons & Fractals (Elsevier), 42 (2009) 3242-3246 ( Amsterdam ).
- A Class of Functions and Separation axioms with respect to an operation, Hacettepe Journal of Mathematics &
Statistics, vol. 38 (2), 2009,103-118 ( Turkey).
- Pw-Closedness and Its Generalization with respect to a grill, Sarajevo Journal of Mathematics, Vol.7 (20)
(2011), 1–13 ( Bosnia )
- Non- Continuous Functions Associated with A Covering Properties defined by β–open sets, Real Analysis
Exchange, Vol.35(1) 2009/2010,1-13 ( USA ).
- Pt(wr,s)- closed spaces and pre-(wr, s) t-qf -cluster sets, Comm. Korean Math. Soc, 26 (2011), No. 1, pp. 135-
149 ( South Korea )
- Uniformizable subtopology and a sort of converse of A. H. Stone’s Theorem, Real Analysis Exchange Summer
Symposium 2010 pp. 67-75 ( USA ).
- -closedness in fuzzy topological spaces, Canadian Journal of Pure & Applied Sciences(British Columbia)
Vol. 5, No. 1, pp. 1439-1447, Feb 2011 ( Canada )
- Generalization of E- Michael’s J- Space, 2010, American Institute of Physics ( AIP ) Conference Proceedings,
Volume 1309, pp. 124-139 (2010) ( USA )
- Some new classes of spaces and associated graphs, Journal of Advanced Research in Pure Mathematics
( accepted & to appear ) ( USA ) .
- Fuzzy topological entropy of fuzzy continuous functions on fuzzy topological spaces, Applied Mathematics
letters, 24 (2011) 2030–2033 ( Elsevier) ( USA ).
Paper Presentations / talksabroad):
- Uniformizable subtopology and disconnectedness, 14th Galway Topology Colloquium, Queen's University Belfast,
during August 15th to 17th, 2011 ( U. K. ) .
- Generalization of E- Michael’s J- Space, ICMS International Conference on Mathematical Sciences 2010, Bolu,
Abant Izzet Baysal University, during November 23-27, 2010, Bolu ( Turkey )
- Maximal Uniformizable spaces, 2010 International Conference of the Honam Mathematical Society at the Mokp
National University, South Korea, during June17- 19, 2010 ( South Korea ).
- A note on Sierpinski’s Theorem, International Symposium on Topology at the Institute of Pure and Applied
Mathematics, Chonbuk National University , South Korea, on June 16, 2010 ( 50 minutes invited talk)
( South Korea ).
- Uniformizable subtopology and a sort of converse of A. H. Stone’s Theorem, The Summer Symposium XXXIV in
Real Analysis (of the journal Real Analysis Exchange) Wooster, Ohio, USA, during July 13--17, 2010 (USA ).
Seminar / conference attended ( India and Abroad ) :
No. of Seminar / Conference attended : 23
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