**Dr. Krishnapada Das**

**DESIGNATION**

Assistant Professor

Department of Mathematics

**EMAIL**

**Orcid**

**Educational Qualification:**

- Ph.D., Department of Mathematics, Bengal Engineering and Science University , Shibpur (Presently IIEST), India in the year 2011
- M.Sc., Mathematics. Department of Pure Mathematics, University of Calcutta, India in the year 1995
- B.Sc., Mathematics Honours. Ramkrishna Mission Vivekananda Centenary College, University of Calcutta, WB, India in the year 1993

**Professional Experience:**

- HOD, Department of Mathematics, Sarojini Naidu College for Women since June 2021 to June 2022.
- Assistant Professor, Department of Mathematics, Sarojini Naidu College for Women since April 2017.
- Assistant Teacher in Mathematics, Satyabharati Vidyapith, Barasat, N 24 Pgs from February 1999 to April 2017.

**Research Experience:**

- Research Scholar, Department of Mathematics, Bengal Engineering and Science University , Shibpur (Presently IIEST), India since April 2002 till September 2010.
- Working as Joint Supervisor for Ph. D. guidance at the Department of Mathematics, Brainware University, Barasat, West Bengal, India since 2018 .
- Fixed Point Theory
- Fuzzy Mathematics
- Probabilistic Analysis
- Vedic Mathematics
- K.K. Sarkar, K.P. Das and A. Pramanik : Coincidence Point and Common Fixed Point Results in G-Fuzzy Metric Spaces Involving Implicit Function and Property (E.A.), GIS Science Journal, Vol. 9, Issue 6 (2022), 1545 – 1560. ISSN: 1869-9391.
- K.P. Das and K.K. Sarkar : Coupled Fixed Point Results in G-Fuzzy Metric Spaces for Weakly Compatible Mappings, The Korean Journal of Mathematics, 29 (2021), 455-466. ISSN: 2288-1433.
- K.K. Sarkar, K.P. Das and A. Pramanik : Fixed Point Result in S-Menger, Zeichen Journal, Vol. 7, Issue 9 (2021), 186 – 196. ISSN: 0932-4747.
- K.P. Das, K.K. Sarkar and S. Ghosh : Fixed Point Result in Menger Spaces of p-cyclic Ciric Type Contraction Mappings, International Journal of Advances in Mathematics, Vol. 2019 No. 4 (2019), 53 – 65. ISSN: 2456-6098, PUBLISHER : SUMA Publishing Group
- K.P. Das : Common Fixed Point Results for Non-Compatible R-weakly Commuting Mappings in Probabilistic Semimetric Spaces Using Control Functions, The Korean Journal of Mathematics, 27 (2019), 629-643. ISSN: 2288-1433, PUBLISHER : The Kangwon-Kyungki Mathematical Society
- K.P. Das : Common Fixed Point Theorem For Four Compatible Mappings in Menger Spaces Involving Altering Distance Function, Bulletin of the Calcutta Mathematical Society, 110 (2018), 473-492. ISSN: 0008-0659, PUBLISHER : CALCUTTA MATHEMATICAL SOCIETY
- K.P. Das, K.K. Sarkar and S. Ghosh : Common Fixed Point Results in Fuzzy Metric Spaces for R-Weakly Commuting Mappings, Journal of the Calcutta Mathematical Society, 14 (2018), 77-90. ISSN: 2231-5314, PUBLISHER : CALCUTTA MATHEMATICAL SOCIETY
- C. T. Aage, B. S. Choudhury and K.P. Das : Some fixed point results in fuzzy metric spaces in using a control function, Surveys in Mathematics and its Applications, 12 (2017), 23 – 34. ISSN 1843-7265, PUBLISHER: University Constantin Brâncuşi of Târgu-Jiu Bld. Republicii, Nr. 1, 210152 Târgu-Jiu, România.
- K.P. Das, B.S. Choudhury and P. Bhattacharya : A common fixed point theorem for cyclic contractive mappings in fuzzy metric spaces, Annals of Fuzzy Mathematics and Informatics, 9 (2015), 581-592, ISSN No. 2093-9310, PUBLISHER : Kyung Moon Sa Co.
- B.S. Choudhury, K.P. Das and P. Das : Coupled coincidence point results in partially ordered fuzzy metric spaces, Annals of Fuzzy Mathematics and Informatics, 7 (2014), 619-628, ISSN No. 2093-9310, PUBLISHER : Kyung Moon Sa Co.
- S. Manro and K.P. Das : Some common fixed point theorems using CLRg property in complex valued metric spaces, Gazi University Journal of Science, 27 (2014), 735-738, ISSN No. 2147-1762, PUBLISHER : Gazi University.
- .S. Choudhury, K.P. Das and P. Bhattacharya : Kannan type coupled coincidence point results in partially ordered fuzzy metric spaces, Bulletin of the Calcutta Mathematical Society, 106 (2014), 381-394. ISSN: 0008-0659, PUBLISHER : CALCUTTA MATHEMATICAL SOCIETY
- B.S. Choudhury, K.P. Das and P. Bhattacharya : A Common Fixed Point Theorem for Weakly Compatible Mappings in Complete Fuzzy Metric Space, Review Bulletin of the Calcutta Mathematical Society, 21 (2013), 181-192., ISSN 2231-5306, PUBLISHER : CALCUTTA MATHEMATICAL SOCIETY.
- B.S. Choudhury, K.P. Das and P. Das : Coupled coincidence point results for compatible mappings in partially ordered fuzzy metric spaces, Fuzzy Sets and Systems, 222, 84-97 (2013), http://dx.doi.org/10.1016/j.fss.2012.07.012, ISSN 0165-0114, PUBLISHER : Elsevier Science B.V. (North-Holland), Amsterdam.
- B.S. Choudhury, K.P. Das and S.K. Bhandari : Cyclic Tipe Fixed Point Results In 2-Menger Spaces, Rend. Sem. Mat. Univ. Politec. Torino, 70 ( 2012), 405-421, ISSN No. 0373-1243, PUBLISHER : University of Turin (Italy).
- B.S. Choudhury, K.P. Das, S.K. Bhandari and P. Das: Tripled coincidence point results in partially ordered probabilistic metric spaces, Journal of Physical Sciences, 16 (2012), 9-22, ISSN 0972 –8791, PUBLISHER: VIDYASAGAR UNIVERSITY.
- B.S. Choudhury, K.P. Das and S.K. Bhandari : A generalized probabilistic contraction principle, Int Jr. of Mathematics Sciences & Applications. 2 (2012), 643 – 651, ISSN No: 2230-9888, Mind Reader Publications.
- B.S. Choudhury, K.P. Das and S.K. Bhandari : Cyclic contraction result in 2-Menger space, Bulletin of International Mathematical Virtual Institute, 2(2012), 223-234, ISSN 1840-4367, PUBLISHER : Scientific Society of Mathematician Banja Luka (TMPL)
- B.S. Choudhury, K.P. Das and S.K. Bhandari : Two Ciric type probabilistic fixed point theorems for discontinuous mappings, International Electronic Journal of Pure and Applied Mathematics, 5 (2012), 111–126. ISSN 1314-0744, PUBLISHER : Academic Publications, Ltd.
- B.S. Choudhury, S. Kumar, Asha and K.P. Das : Some fixed point theorems in G-metric spaces, Mathematical Sciences Letters, 1 (2012), 25-31. ISSN 2090-9624, PUBLISHER : NATURAL SCIENCE PUBLISHING, Sohag University, Egypt & University of Bahrain, P.O. Box: 32038, Kingdom of Bahrain
- B.S. Choudhury and K.P. Das : A fixed point theorem in generalized Menger spaces, Thai Journal of Mathematics , 10 (2012), 363-370. ISSN 1686-0209, PUBLISHER : The Center for Promotion of Mathematical Research of Thailand, Mathematical Association of Thailand, Bangkok
- B.S. Choudhury, K.P. Das and S.K. Bhandari : Generalized cyclic contraction in Menger spaces using a control function, Review Bulletin of the Calcutta Mathematical Society, 20 (2012), 35-42., ISSN 2231-5306, PUBLISHER : CALCUTTA MATHEMATICAL SOCIETY
- B.S. Choudhury, K.P. Das and S.K. Bhandari : A fixed point theorem in 2-Menger space using a control function, Bulletin of the Calcutta Mathematical Society, 104 (2012), 21-30. ISSN: 0008-0659, PUBLISHER : CALCUTTA MATHEMATICAL SOCIETY
- B.S. Choudhury, K.P. Das and S.K. Bhandari : Cyclic contraction of Kannan type mappings in generalized Menger space using a control function, Azerbaijan Journal of Mathematics, Vol.2 (No.2) (2012), 43-55. ISSN 2218-6816, PUBLISHER : Azerbaijan Mathematical Society, C/O : Institute of Mathematics and Mechanics NAS of Azerbaijan, Baku. English
- B.S. Choudhury, K.P. Das and S.K. Bhandari : Fixed points of p-cyclic Kannan type contractions in probabilistic spaces, Journal of Mathematical and Computational Science , 2 (2012), 565-583. ISSN: 1927-5307, PUBLISHER : Science & Knowledge Publishing Corporation Limited. Chase Business Centre, 39-41 Chase Side, Southgate, London, N14 5BP, UK.
- B.S. Choudhury, K.P. Das and P. Das : Extention of Banach’s and Kannan’s results in fuzzy metric spaces, Communications Korean Mathematical Society, 27 (2012), 265-277. ISSN: 1225-1763, PUBLISHER : KOREAN MATHEMATICAL SOCIETY
- B.S. Choudhury, S. Kutukcu and K.P. Das : On fixed points in non-Archimedean Menger PM space, Kochi Journal of Mathematics , 7 (2012), 41-50. ISSN: 1880-5515, PUBLISHER : Department of Mathematics, Faculty of Science, Kochi University, Kochi 780-8520, Japan
- I. Bhaumik, K.P. Das, N. Metia and B.S. Choudhury : A coincidence point result by using altering distance function, Journal of Mathematical and Computational Science, 2 (2012), 61-72. ISSN: 1927-5307, PUBLISHER : Science & Knowledge Publishing Corporation Limited, Chase Business Centre, 39-41 Chase Side, Southgate, London, N14 5BP, UK.
- T. Som, B.S. Choudhury and K.P. Das : Two common fixed point results in fuzzy metric spaces, International Review of Fuzzy Mathematics, Volume 6 (No. 1-2), 21-32. ISSN : 0973-4392, PUBLISHER : Serials Publications, New Delhi, India
- K.P. Das, I. Bhaumik and B.S. Choudhury : A fixed point result by using altering distance function, International Journal of Physical and Social Sciences, 1 (2011), 136-153. ISSN: 2249-5894
- B.S. Choudhury, K.P. Das and S.K. Bhandari : Fixed point theorem for mappings with cyclic contraction Menger spaces, International Journal of Pure and Applied Sciences and Technology, 4 (2011), 1-9. ISSN 2229-6107
- B.S. Choudhury, K.P. Das and S.K. Bhandari : A generalized cyclic C-contraction principle in Menger space using a control function, International Journal of Applied Mathematics 24 (2011), 663-673. ISSN 1311-1728, PUBLISHER : Academic Publications Institute of Mathematics and Informatics, Bulgarian Academy of Sciences 1113 Sofia, Bulgaria
- B.S. Choudhury, K.P. Das and S.K. Bhandari : A fixed point theorem for Kannan type mappings in 2-Menger space using a control function, Bulletin of the Mathematical Analysis and Applications, 3(Issue 3) (2011), 141-148. ISSN 1821-1291, PUBLISHER : Department of Mathematics and Computer Sciences, Avenue “Mother Teresa” No 5, Prishtine, 10000, Kosova
- B.S. Choudhury, K.P. Das and P. Das : Coincidence point theorem for asymptotic contraction mapping in fuzzy metric space, The Journal of Mathematics and Computer Science, 1 (2010), 167-173. ISSN 2008-949x, PUBLISHER : Nonlinear Analysis Group, AL. NIEPODLEGLOŚCI 10, 60-967 POZNAŃ, POLAND
- B.S. Choudhury and K.P. Das : Fixed points of generalized Kannan type mappings in generalized Menger spaces, Communications Korean Mathematical Society, 24 (2009), 529-537. ISSN: 1225-1763, PUBLISHER : KOREAN MATHEMATICAL SOCIETY
- B.S. Choudhury and K.P. Das : A coincidence point result in Menger spaces using a control function, Chaos, Solitons and Fractals, 42 (2009), 3058-3063. ISSN: 0960-0779, PUBLISHER : Elsevier Science B.V. (North-Holland), Amsterdam.
- P.N. Dutta, B.S. Choudhury and K.P. Das : Some fixed point results in Menger spaces using a control function, Surveys in Mathematics and its Applications, 4 (2009), 41-52. ISSN 1843-7265, PUBLISHER : University Constantin Brâncuşi of Târgu-Jiu Bld. Republicii, Nr. 1, 210152 Târgu-Jiu, România.
- B.S. Choudhury, K.P. Das and P.N. Dutta : A fixed points result in Menger space using a real function, Acta. Math. Hungar., 122 (2008), 203-216. ISSN: 0236-5294, PUBLISHER : SPRINGER
- B.S. Choudhury and K.P. Das : A new contraction principle in Menger spaces, Acta Mathematica Sinica, English Series, 24(8) (2008), 1379-1386. ISSN: 1439-8516, PUBLISHER : SPRINGER
- B.S. Choudhury and K.P. Das : (ε,λ) -chainable sets in probabilistic spaces, Journal of Technology, XXXIX (2007), 11-16. ISSN 0047-2824, PUBLISHER : BENGAL ENGINEERING AND SCIENCE UNIVERSITY, SHIBPUR
- B.S. Choudhury and K.P. Das : Some fixed point result in non-empty fuzzy spaces, Journal of Physical Sciences, 10 (2006), 55-62. ISSN 0972 –8791, PUBLISHER : VIDYASAGAR UNIVERSITY
- B.S. Choudhury and K.P. Das : Fixed point theorems for three mappings in fuzzy metric spaces, Proc. of National Seminar on “Recent Advances in Applied Mathematics”, 18-19 March, 2004, 162-167., PUBLISHER: VIDYASAGAR UNIVERSITY
- B.S. Choudhury and K.P. Das : A fixed point result in complete fuzzy metric spaces, Review Bull. Cal. Math. Soc.,12 (1&2) (2004), 123-126. ISSN 2231-5306, PUBLISHER : CALCUTTA MATHEMATICAL SOCIETY
- International Conference on Emerging Trends in Mathematical Sciences and Computing (IEMSC-21) organized by Institute of Engineering and Management (IEM), Kolkata on February 5-7, 2021 : Title of the paper : Coincidence point and common fixed point results in G-fuzzy metric spaces for Gf-type weakly commuting mappings.
- 14th International Conference on “Mathematical Sciences for Advancement of Science and Technology” (MSAST 2020) organized by The Institute for Mathematics, Bioinformatics, Information Technology and Computer Science (IMBIC), India on December 21-23, 2020 : Title of the paper : A generalized fixed point result in S-Menger spaces.
- NATIONAL CONFERENCE ON ADVANCED MATHEMATICAL & APPLIED SCIENCES organized by Bodoland University, Kokrajhar on 1st & 2nd July 2020 : Title of the paper : Coincidence Point and Common Fixed Point Results in G-Fuzzy Metric Spaces for Gf-Type Weakly Commuting Mappings.
- Three Days International Seminar on Systematic Approach to Modern Sciences and its Philosophical Impacts organized by Bajkul Milani Mahavidyalaya on Feb 6-8, 2020 : Title of the paper : Fixed point result in S-Menger spaces.
- International Conference on Advances in Higher Mathematics, Mathematical Sciences and Mathematical Modelling (ICAHMMSMM-2019) organised by Calcutta Mathematical Society on Dec 20-22, 2019 : Title of the paper : Coupled fixed point results in G-fuzzy metric spaces for weakly compatible mappings.
- International Conference on Recent Advances in Informatics, Communication, Management, Health and Applied Sciences (RAICMHAS-2019) organised by Braimware University on 02 – 04, February, 2019 : Title of the paper : Fixed Point Result in Menger Spaces of p-Cyclic Ciric Type Contraction Mappings.
- National Seminar on Recent Trends in Mathematics and its Application (NSRTMA 2019) organized by the Department of Mathematics & IQAC, Sarojini Naidu College for Women in collaboration with CALCUTTA MATHEMATICAL SOCIETY on 11, January, 2019 : Title of the paper : Common Fixed Point Results in Fuzzy Metric Spaces for R-Weakly Commuting Mappings.
- National Conference on Mathematical Analysis and Mathematical Modelling (NCMAMM-2018) organized by CALCUTTA MATHEMATICAL SOCIETY on 07-08, December, 2018 : Title of the paper : Common Fixed Point Theorem for Four Compatible Mappings in Menger Spaces Involving Altering Distance Function.
- National Seminar to Commemorate the Sesquicentennial Birth Anniversary of ‘’SIR ASUTOSH MOOKERJEE” (1864 – 1924) organized by CALCUTTA MATHEMATICAL SOCIETY on 06-08, September, 2013 : Title of the paper : A Common Fixed Point Theorem for Weakly Compatible Mappings in Complete Fuzzy Metric Spaces.
- National Seminar on Mathematical Analysis and Applications : Present Perspective (NSMAAPP-2012) organized by CALCUTTA MATHEMATICAL SOCIETY on 06-07, September, 2012 : Title of the paper : Ciric Type Fixed Point Results in 2-Menger Spaces.
- International Conference (CONIAPS-XIV) on “Physical Sciences Interface With Huminity” organized by Sradar Vallabhbhai National Institute of Technology, Surat and International Academy of Physical Sciences on December, 22-24, 2011 : Title of the Paper : Common Fixed Point Theorem for Compatible Mappings in Menger Spaces.
- National Seminar on Analysis and its Applications (NSAA-2011) organized by CALCUTTA MATHEMATICAL SOCIETY on 06-07, September, 2011 : Title of the paper : Generalized Cyclic Contraction in Menger Spaces Using a Control Function.
- International Conference on Recent Development in Mathematical Sciences and Their Applications (ICRDMSA 2010) organized by CALCUTTA MATHEMATICAL SOCIETY on 09-11, December, 2010 : Title of the paper : A Coupled Coincidence Point Result in Fuzzy Metric Spaces.
- National Conference on “Recent Trends in Mathematical Modeling and Simulation” (RTMMS-2010) organized by the Department of Applied Mathematics, Institute of Technology, BENARAS HINDU UNIVERSITY on 18-20, March, 2010 : Title of the paper : Fixed Point Results in G-Menger Spaces.
- National Conference on “Analysis and its Applications” (AA-BHU-2009) organized by the Department of Mathematics, BENARAS HINDU UNIVERSITY on 19-21, March, 2009 : Title of the talk : Common Fixed Point Results for R-weakly Commuting Mappings in Menger Spaces Using Control Functions.
- International Symposium on Recent Advances in Mathematics and its Applications Including Centenary Celebration of Special Theory of Relativity of Albert Einstein (ISRAMA 2004) organized by CALCUTTA MATHEMATICAL SOCIETY on 18-20, December, 2004 : Title of the presentation : Three Fixed Theorems in Non-empty Fuzzy Spaces.
- National Seminar on “Recent Advances in Applied Mathematics” organized by the Department of Applied Mathematics with Oceanology and Computer Programming, VIDYASAGAR UNIVERSITY on 18-19, March, 2004 : Title of the paper : Fixed Point Theories for Three Mappings in Fuzzy Metric Spaces.
- International Symposium on Recent Advances in Mathematics and its Applications (ISRAMA 2003) organized by CALCUTTA MATHEMATICAL SOCIETY on 20-22, December, 2003 : Title of the talk : A Fixed Point Results in Complete Fuzzy Metric Spaces.
- Served as Examiner in UG Level Examinations of West Bengal State Universitiy.
- Served as Paper Setter and Examiner in UG Level of Brainware University.
- Working as Joint Supervisor for Ph. D. guidance at the Department of Mathematics, Brainware University.
- Working as Referee for Internationally reputed Journals.
- Working as Council member of Calcutta Mathematical Society.
- Worked as an Organizing Committee Member of “National Seminar on Recent Trends in Mathematics and its Application (NSRTMA 2019)” organized by the Department of Mathematics & IQAC, Sarojini Naidu College for Women in collaboration with CALCUTTA MATHEMATICAL SOCIETY on 11th January, 2019.
- Worked as an Organizing Committee Member of One day State Level Seminar on “Mathematics for All” organized by the Department of Mathematics & IQAC, Sarojini Naidu College for Women on 16th March, 2019.

**Area of Research Interest:**

**Teaching Modules/Topics**

Course | SEM I and II | SEM III and IV | SEM V and VI |

Honours | Calculus, Real Analysis | Theory of Real Functions, Logic and Sets, Series of Functions | Number Theory, Boolean Algebra and Automata Theory |

General | Differential Calculus | Real Analysis, Logic and Sets | Logic and Sets |

**Journal Articles**