Faculty Details | Department Of Mathematics

Research

Algebraic Graph Theory

Present Research Interest: Signed Graph, Quantum Walk on Graph, Perfect State Transfer, Graph Labeling, Distinguishing Labelling.

Education

Ph.D Mathematics, 2009
Indian Institute of Technology Kanpur
Thesis Title: On some Graph Labelling Problems
Advisor: Professor Arbind Kumar Lal

M.Sc. Mathematics, 2002
Gauhati University, Assam, India

B.Sc. (Honors) Mathematics, 2000
Nalbari College, Nalbari, Assam, India

H.S.S.L.C (10+2), 1997
Chamata Higher Secondary School, Chamata, Nalbari, Assam, India

H.S.L.C (10th), 1995
Bangaon Higher Secondary School (from Class VIII to Class X), Bangaon, Nalbari, Assam, India.

Batsor Paramesh Vidyapith M.E. School (from Class V to Class VII), Batsor, Nalbari, Assam, India.

Batsor Paramesh Prathamik Vidyalaya (from Class I to Class IV), Batsor, Nalbari, Assam, India.

Other Qualifications

Qualified National Eligibility Test for Lectureship [NET] (conducted by CSIR, India), 2002.
Qualified Graduate Aptitude Test in Engineering [GATE] in Mathematics, 2003.

Experience

Associate Professor, Department of Mathematics, IIT Guwahati, April 22, 2009 -- till date.
Assistant Professor, Department of Mathematics, IIT Guwahati, October 7, 2009 -- April 21, 2017.
Project Associate, Department of Mathematics, IIT Kanpur, January 2009 - September 2009.

Courses

Currently Teaching: MA625 (Linear Algebra I)

Previously Taught at IITG:

MA421/MA502: Graph Theory (M.Sc/B.Tech Elective). Jan-April 2010, Jan-April 2011, Jan-April 2012, Jan-April 2014, Jan-April 2016, Jan-April 2018, July-Nov 2022.

MA501/MA221/CS203: Discrete Mathematics (M.Sc/B.Tech). July-Nov 2010, July-Nov 2012, July-Nov 2017, July-Nov 2019, Sept-Nov 2020, July-Nov 2022.

MA101: Mathematics I [Linear Algebra part] (B.Tech core course). July-Nov 2011, July-Nov 2014, July-Nov 2016.

MA102: Mathematics II [Linear Algebra part] (B.Tech core course). Jan-April 2020, Mar-June 2022.

MA731: Linear Algebra and Functional Analysis [Linear Algebra part]. (PhD course), Jan-April 2013.

MA001: Mathematics I (Preparatory course). August-November 2013, August-November 2015.

MA002: Mathematics II (Preparatory course). January-April 2015.

MA719: Linear Algebra II [half part]. August-November 2015.

MA625: Linear Algebra I (PhD course). Jan-April 2017, July-Nov 2018, July-Nov 2019 (half), July-Nov 2023.

MA601: Graphs and Matrices (M.Sc/B.Tech Elective course), Jan-May 2019, Jan-May 2021, Jan-May 2023.

Summer Courses Taught at IITG:

2010: MA421, MA221

2011: MA101[Linear Algebra part], MA501

2012: MA101[Linear Algebra part], MA522

2013: MA501

2014: MA101[Linear Algebra part], MA501 [half part]

Awards

Conference Travel Grant, National Board for Higher Mathematics, 2013.
Conference Travel Grant, IIT Kanpur, 2007.
Research Associate, Department of Mathematics and Statistics, IIT Kanpur, January 2009 -- September 2009.
Senior Research Fellowship, Department of Mathematics and Statistics, IIT Kanpur, August 2005 -- October 2008.
Junior Research Fellowship, Department of Mathematics and Statistics, IIT Kanpur, August 2003 -- July 2005.

Journal Publications

18. M. Kadyan, B. Bhattacharjya, "HS-integral and Eisenstein integral mixed circulant graphs", Theory and Applications of Graphs , vol.10 (1) ,pp.A3 [2023]

17. Deepak, B. Bhattacharjya, "On the rna number of generalized Petersen graphs", Communications in Combinatorics and Optimization [2023] , 10.22049/cco.2023.27973.1408

16. M. Kadyan, B. Bhattacharjya, "Integral mixed circulant graphs", Discrete Mathematics , vol.346 ,pp.113142 [2023]

15. M. Kadyan, B. Bhattacharjya, "Switching equivalence of Hermitian adjacency matrices of mixed graphs", Australasian Journal of Combinatorics , vol.85 (3) ,pp.228-247, [2023]

14. M. Kadyan, B. Bhattacharjya, "H-integral and Gaussian integral normal mixed Cayley graphs", DiscreteMathematics , vol.346 ,pp.113638 [2023]

13. Deepak, B. Bhattacharjya, "Chromatic Polynomials of Signed Book Graphs", Theory and Applications of Graphs , vol.9 (1) ,pp.A4 [2022]

12. M. Kadyan, B. Bhattacharjya, "HS-integral and Eisenstein integral mixed Cayley graphs over abelian groups", Linear Algebra and its Applications , vol.645 ,pp.68-90, [2022]

11. Deepak, B. Bhattacharjya, "Non-isomorphic Signatures on Some Generalised Petersen Graph", Electronic Journal of Graph Theory and Applications , vol.9 (1) ,pp.235-255, [2021]

10. M. Kadyan, B. Bhattacharjya, "Integral mixed Cayley graphs over abelian groups", The Electronic Journal of Combinatorics , vol.28 (4) ,pp.P4.46 [2021]

9. Deepak, B. Bhattacharjya, "Signed complete graphs on six vertices and their frustration indices", Advances & Applications in Discrete Mathematics , vol.24 (2) ,pp.129-142, [2020]

8. Deepak, B. Bhattacharjya, "Maximum Frustration in Signed Generalized Petersen Graphs", Indian Journal of Discrete Mathematics , vol.5 (2) ,pp.77-93, [2019]

7. Deepak, B. Bhattacharjya, "Some Bounds on the Double Domination of Signed Generalized Petersen Graphs and Signed I-Graphs", Indian Journal of Discrete Mathematics , vol.5 (2) ,pp.63-75, [2019]

6. H. Pal, B. Bhattacharjya, "Pretty Good State Transfer on Some NEPS", Discrete Mathematics , vol.340 (4) ,pp.746-752, [2017]

5. H. Pal, B. Bhattacharjya, "Perfect State Transfer on gcd-graphs", Linear and Multilinear Algebra , vol.65 (11) ,pp.2245-2256, [2017]

4. H. Pal, B. Bhattacharjya, "Pretty Good State Transfer on Circulant Graphs", The Electronic Journal of Combinatorics , vol.24 (2) ,pp.P2.23 [2017]

3. H. Pal, B. Bhattacharjya, "Perfect State Transfer on NEPS of the path on three vertices", Discrete Mathematics , vol.339 (2) ,pp.831-838, [2016]

2. B. Bhattacharjya, A. K. Lal., "On the magic space of locally finite graphs", Ars Combinatoria , vol.104 ,pp.41-64, [2012]

1. B. Bhattacharjya, A. K. Lal., "Breaking the symmetries of the book graph and the generalized Petersen graph", SIAM Journal of Discrete Mathematics. , vol.23 (3) ,pp.1200--1216, [2009]

Conference Publications

2. H. Pal, B. Bhattacharjya, "A class of gcd-graphs having Perfect State Transfer", Electronic Notes in Discrete Mathematics , vol.53 ,pp.319-329, [2016]

1. B. Bhattacharjya, A. K. Lal., "On the existence of constrained labelling of locally finite graphs", Congressus Numerantium , vol.187 ,pp.132-144, [2007]

Research Scholars

Current

1	Akash Kalita
2	Koushik Bhakta

Completed

1	Deepak
2	Monu Kadyan
3	Hiranmoy Pal

No Project Available!

Invited

1. European Conference on Combinatorics, Graph Theory and Applications (EUROCOMB´23) Bikash Bhattacharjya Details : Bikash Bhattacharjya Institute : Charles University Place : Prague, Czech Republic Type of Conference : International Date of Conference : 2023-08-28 to 2023-08-28
2. The 8th Gdansk Workshop of Graph Theory Bikash Bhattacharjya Details : Bikash Bhattacharjya Institute : University of Gdansk, Gdansk University of Technology, and Fahrenheit University Place : Sopot, Poland Type of Conference : International Date of Conference : 2023-06-26 to 2023-06-26
3. Conference in the Memory of Prof. P. Dutt, Prof. A. K Lal and Prof. S. Dutta Bikash Bhattacharjya Details : Bikash Bhattacharjya Institute : IIT Kanpur Place : Kanpur Type of Conference : National Date of Conference : 2022-11-05 to 2022-11-05
4. International Conference on Graph Theory and its Applications Bikash Bhattacharjya Details : Bikash Bhattacharjya Institute : Amrita College of Engineering, Coimbatore Place : Amrita College of Engineering, Coimbatore Type of Conference : International Date of Conference : 2015-12-16 to 2015-12-16
5. International Conference on Frontiers in Mathematics Bikash Bhattacharjya Details : Bikash Bhattacharjya Institute : Gauhati University Place : Guwahati Type of Conference : International Date of Conference : 2015-03-26 to 2015-03-26
6. Rocky Mountain Math. Consortium Summer School 2013 on Algebraic Graph Theory Bikash Bhattacharjya Details : Bikash Bhattacharjya Institute : University of Wyoming, USA Place : Laramie, USA Type of Conference : International Date of Conference : 2013-06-17 to 2013-06-17
7. Open House 2008 at the Department of Mathematics and Statistics Bikash Bhattacharjya Details : Bikash Bhattacharjya Institute : IIT Kanpur Place : Kanpur Type of Conference : National Date of Conference : 2008 to 2008
8. Open House 2007 at the Department of Mathematics and Statistics Bikash Bhattacharjya Details : Bikash Bhattacharjya Institute : IIT Kanpur Place : Kanpur Type of Conference : National Date of Conference : 2007 to 2007
9. Combinatorics, Graph Theory and Computing Bikash Bhattacharjya Details : Bikash Bhattacharjya Institute : Florida Atlantic University, USA Place : Boca Raton, USA Type of Conference : International Date of Conference : 2007 to 2007

1. 38th Annual Conference of Ramanujan Mathematical Society Bikash Bhattacharjya Details : Bikash Bhattacharjya Institute : IIT Guwahati Place : Guwahati Type of Conference : National Date of Conference : 2023-12-22 to 2023-12-22

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Bikash Bhattacharjya