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ଜାତୀୟ ବିଜ୍ଞାନ ଶିକ୍ଷା ଏବଂ ଗବେଷଣା ପ୍ରତିଷ୍ଠାନ
ପରମାଣୁ ଶକ୍ତି ବିଭାଗ, ଭାରତ ସରକାରଙ୍କ ଏକ ସ୍ବୟଂଶାସିତ ପ୍ରତିଷ୍ଠାନ

राष्ट्रीय विज्ञान शिक्षा एवं अनुसंधान संस्थान
परमाणु ऊर्जा विभाग, भारत सरकार का एक स्वयंशासित संस्थान

National Institute of Science Education and Research
AN AUTONOMOUS INSTITUTE UNDER DAE, GOVT. OF INDIA
 

Binod Kumar Sahoo

Associate Professor
 
 

bksahooniser.ac.in
+91-674-2494084

  • Mathematical Sciences
  • IRINS Profile
  • Since: 21-Jul-2009
  • Office: 223

  • Ph.D. (Mathematics), Indian Statistical Institute (Bangalore Center), India, 2007
  • M.A. (Mathematics), Utkal University, Bhubaneswar, Odisha, India, 2000
  • B.A. (Mathematics), Ravenshaw Autonomous College, Cuttack, Odisha, India, 1998

Incidence Geometry

Published/accepted:

  1. B. De Bruyn, F. Pavese, P. Pradhan and B. K. Sahoo, On blocking sets of the tangent lines to a nonsingular quadric in PG(3,q), q prime, Electronic Journal of Combinatorics, accepted.
  2. B. De Bruyn, P. Pradhan and B. K. Sahoo, On next-to-minimum size blocking sets of external lines to a nondegenerate quadric in PG(3,q), Contributions to Discrete Mathematics, accepted.
  3. S. Mukherjee, K. L. Patra and B. K. Sahoo, On the minimum cut-sets of the power graph of a finite cyclic group, Journal of Algebra and its Applications, 23 (2024), no. 11, Article Id: 2450176, 22 pp.
  4. S. Chattopadhyay, K. L. Patra and B. K. Sahoo, On vertex connectivity of zero-divisor graphs of finite commutative rings, Journal of Algebraic Combinatorics, 59 (2024), no. 4, 955–969.
  5. R. P. Panda, K. L. Patra and B. K. Sahoo, Characterizing finite nilpotent groups associated with a graph theoretic equality, Ricerche di Matematica 73 (2024), no. 2, 1017–1027.
  6. R. P. Panda, K. L. Patra and B. K. Sahoo, On the minimum degree of power graphs of finite nilpotent groups, Communications in Algebra 51 (2023), no. 1, 314-329.
  7. B. De Bruyn, P. Pradhan, B. K. Sahoo and B. Sahu, A characterization of the family of secant lines to a hyperbolic quadric in PG(3,q), q odd, Part II, Discrete Mathematics 346 (2023), no. 3, Paper No. 113251, 15 pp.
  8. B. De Bruyn, P. Pradhan and B. K. Sahoo, Blocking sets of tangent and external lines to an elliptic quadric in PG(3,q), Proceedings of the Indian Academy of Sciences: Mathematical Sciences 131 (2021), Article No. 39, 16pp.
  9. H. Kumar, K. L. Patra and B. K. Sahoo, Proper divisor graph of a positive integer, Integers 21 (2021), Paper No. A65, 21 pp.
  10. S. Chattopadhyay, K. L. Patra and B. K. Sahoo, Minimal cut-sets in the power graphs of certain finite non-cyclic groups, Communications in Algebra 49 (2021), no. 3, 1195-1211.
  11. R. P. Panda, K. L. Patra and B. K. Sahoo, On the minimum degree of the power graph of a finite cyclic group, Journal of Algebra and its Applications 20 (2021), no. 3, Article Id: 2150044, 18 pp.
  12. B. De Bruyn, P. Pradhan and B. K. Sahoo, Minimum size blocking sets of certain line sets with respect to an elliptic quadric in PG(3,q), Contributions to Discrete Mathematics 15 (2020), no. 2, 132-147.
  13. S. Chattopadhyay, K. L. Patra and B. K. Sahoo, Laplacian eigenvalues of the zero divisor graph of the ring Z_n, Linear Algebra and its Applications 584 (2020), 267-286.
  14. S. Chattopadhyay, K. L. Patra and B. K. Sahoo, Vertex connectivity of the power graph of a finite cyclic group II, Journal of Algebra and its Applications 19 (2020), no. 2, Article Id: 2050040, 25 pp.
    S. Chattopadhyay, K. L. Patra and B. K. Sahoo, Erratum: Vertex connectivity of the power graph of a finite cyclic group II, Journal of Algebra and its Applications 19 (2020), no. 2, Article Id: 2092001, 2 pp.
  15. B. K. Sahoo and B. Sahu, Blocking sets of certain line sets to a hyperbolic quadric in PG(3,q), Advances in Geometry 19 (2019), no. 4, 477-486.
  16. B. De Bruyn, B. K. Sahoo and B. Sahu, Blocking sets of tangent lines to a hyperbolic quadric in PG(3,3), Discrete Applied Mathematics 266 (2019), 121-129.
  17. S. Chattopadhyay, K. L. Patra and B. K. Sahoo, Vertex connectivity of the power graph of a finite cyclic group, Discrete Applied Mathematics 266 (2019), 259-271.
  18. B. K. Sahoo and B. Sahu, Blocking sets of tangent and external lines to a hyperbolic quadric in PG(3,q), q even, Proceedings of the Indian Academy of Sciences: Mathematical Sciences 129 (2019), no. 1, Article No. 4, 14pp.
  19. B. De Bruyn and B. K. Sahoo, On minimum size blocking sets of the outer tangents to a hyperbolic quadric in PG(3,q), Finite Fields and Their Applications 56 (2019), 31-57.
  20. B. De Bruyn, B. K. Sahoo and B. Sahu, Blocking sets of tangent and external lines to a hyperbolic quadric in PG(3,q), Discrete Mathematics 341 (2018), no. 10, 2820-2826.
  21. K. L. Patra and B. K. Sahoo, Bounds for the Laplacian spectral radius of graphs, Electronic Journal of Graph Theory and Applications 5 (2017), no. 2, 276-303.
  22. A. Jena and B. K. Sahoo, Revisiting Eisenstein-type criterion over integers, The Mathematics Student 86 (2017), no. 1-2, 77-86.
  23. K. L. Patra, B. K. Sahoo and B. Sahu, Minimum size blocking sets of certain line sets related to a conic in PG(2,q), Discrete Mathematics 339 (2016), no. 6, 1716-1721.
  24. B. K. Sahoo, Existence of non-abelian representations of the near hexagon Q(5,2)\otimes Q(5,2), Proceedings of the Indian Academy of Sciences: Mathematical Sciences 126 (2016), no. 2, 143-151.
  25. B. De Bruyn and B. K. Sahoo, Polarized non-abelian representations of slim near-polar spaces, Journal of Algebraic Combinatorics 44 (2016), no. 1, 59-79.
  26. B. K. Sahoo and N. S. N. Sastry, Binary codes of the symplectic generalized quadrangle of even order, Designs, Codes and Cryptography 79 (2016), no. 1, 163-170.
  27. K. L. Patra and B. K. Sahoo, Minimizing Laplacian spectral radius of unicyclic graphs with fixed girth, Czechoslovak Mathematical Journal 63(138) (2013), no. 4, 909-922.
  28. B. De Bruyn, B. K. Sahoo and N. S. N. Sastry, Non-abelian representations of the slim dense near hexagons on 81 and 243 points, Journal of Algebraic Combinatorics 33 (2011), no. 1, 127-140.
  29. A. K. Lal, K. L. Patra and B. K. Sahoo, Algebraic connectivity of connected graphs with fixed number of pendant vertices, Graphs and Combinatorics 27 (2011), no. 2, 215-229.
  30. B. K. Sahoo and N. S. N. Sastry, On the order of a non-abelian representation group of a slim dense near hexagon, Journal of Algebraic Combinatorics 29 (2009), no. 2, 195-213.
  31. K. L. Patra and B. K. Sahoo, A non-abelian representation of the dual polar space DQ(2n,2), Innovations in Incidence Geometry 9 (2009), 177-188.
  32. B. K. Sahoo, New constructions of two slim dense near hexagons, Discrete Mathematics 308 (2008), no. 10, 2018-2024.
  33. B. K. Sahoo and N. S. N. Sastry, A characterization of finite symplectic polar spaces of odd prime order, Journal of Combinatorial Theory, Series A 114 (2007), no. 1, 52-64.
  34. B. K. Sahoo and B. Sury, What is the Burnside Problem?, Resonance 10 (July 2005), 34-48.

 

Preprints:

  1. S. Mukherjee, K. L. Patra and B. K. Sahoo, On the minimum cut-sets of the power graph of a finite cyclic group, Part II.
  2. S. Bera, H. K. Dey, K. L. Patra and B. K. Sahoo, On the domination number of proper power graphs of finite groups.
  3. B. De Bruyn, P. Pradhan and B. K. Sahoo, Blocking sets of secant and tangent lines with respect to a quadric of PG(n,q).

Incidence Geometry

  • 2024-2025 Linear Algebra (Int. M.Sc.)
  • 2023-2024 Mathematics-I (Int. M.Sc) || Incidence Geometry (Int. M.Sc. & Int. Ph.D.)
  • 2022-2023 Rings and Modules (Int. M.Sc.) || Groups and Rings (Int. Ph.D.)
  • 2021-2022 Mathematics-I (Int. M.Sc.) || Representations of Finite Groups (Int. M.Sc.)
  • 2020-2021 Incidence Geometry (Int. M.Sc.) || Algebra-I (Ph.D.)
  • 2019-2020 Rings and Modules (Int. M.Sc.) || Algebra-II (Ph.D.)
  • 2018-2019 Rings and Modules (Int. M.Sc.) || Numerical Analysis (Int. M.Sc.)
  • 2017-2018 Group Theory (Int. M.Sc.) || Linear Algebra (Int. M.Sc.)
  • 2016-2017 Classical Groups (Int. M.Sc. & Ph.D.) || Algebra-II (Ph.D.) || Mathematics-I (Int. M.Sc.)
  • 2015-2016 Rings and Modules (Int. M.Sc.) || Algebra-II (Ph.D.)
  • 2014-2015 Group Theory (Int. M.Sc.) || Field Theory (Int. M.Sc.)
  • 2013-2014 Representations of Finite Groups (Int. M.Sc.) || General Mathematics-II (Int. M.Sc.)
  • 2012-2013 Algebra-I (Ph.D.), Algebra-I (Int. M.Sc.) || General Mathematics-II (Int. M.Sc.) || Algebra-I (Int. M.Sc.)
  • 2011-2012 Representations of Finite Groups (Int. M.Sc. & Ph.D.) || Algebra-II (Ph.D.)
  • 2010-2011 Algebra-I (Int. M.Sc.), Representations of Finite Groups (Int. M.Sc.) || Topics in Group Theory (Int. M.Sc.) || Algebra-I (Int. M.Sc.)
  • 2009-2010 Representations of Finite Groups (Int. M.Sc.) || Algebra-I (Ph.D.)

  • Member, Departmental Confirmation Committee for Group-A Administrative Staff (January 2024-January 2025)
  • Member, PGCS, SMS (2022-2024)
  • Chairman, Integrated M.Sc.-Ph.D. Selection Committee, SMS (2022)
  • Member, Departmental Confirmation Committee for Administrative and Technical Staff (August 2021-April 2027)
  • Member, UGCS, SMS (2020-2022)
  • Member, Employee Grievance Redressal Cell, NISER (July 2019- continuing)
  • Chairman, Screening Committee for Administrative and Auxiliary Staffs (2019-2020)
  • Chairperson, ST/SC/OBC Cell, NISER (2017-2023)
  • Member, Institute House Allotment Committee (2015- continuing)
  • Dean, Academic Affairs (November 2018 - May 2020)
  • Member, PGCS, SMS (2018-2020)
  • Member, Admission Committee for Integrate M.Sc Program (2017, 2019, 2020)
  • Chairman, Ph.D. Selection Committee, SMS (2016)
  • Member, PGCS, SMS (2012-2016)
  • Member, Institute Annual Report Committee (2012-2015)
  • NEST Coordinator (2011, 2012, 2015)
  • Liaison Officer for OBC, NISER (2011–2016)
  • Member PhD Selection Committee, SMS (2010-2015, 2017)
  • Member, UGCS, SMS (2010-2018)
  • Member, Library Stock Verification Committee (2010-2013)
  • Member, PGCI (2010-2012)
  • Convener, PGCS, SMS (2010-2012)