+91-674-249-4082

Submitted by bksahoo on 16 July, 2014 - 01:06

Designation:

Associate Professor

Research Area:

Incidence Geometry

Education:

- Ph.D. (Mathematics), Indian Statistical Institute (Bangalore Center), India, 2007
- M.Phil. (Mathematics), Madurai Kamaraj University, India, 2004.
- M.A. (Mathematics), Utkal University, Bhubaneswar, India, 2000
- B.A. (Mathematics), Ravenshaw (Autonomous) College, Cuttack, India, 1998

Research Interest:

Incidence Geometry, Groups, Algebraic Combinatorics

Awards:

Publications:

and Bikramaditya Sahu, Blocking sets of certain line sets to a hyperbolic quadric in PG(3,q),**B. K. Sahoo***Advances in Geometry*, 2019, to appear.**B. K. Sahoo**and Bikramaditya Sahu, Blocking sets of tangent and external lines to a hyperbolic quadric in PG(3,q), q even,*Proceedings: Mathematical Sciences*, 2019, to appear.- 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. - S. Chattopadhyay, K. L. Patra and
, Vertex connectivity of the power graph of a finite cyclic group,**B. K. Sahoo***Discrete Applied Mathematics*, 2018, to appear**.** - B. De Bruyn,
**B. K. Sahoo**and Bikramaditya Sahu, Blocking sets of tangent and external lines to a hyperbolic quadric in PG(3,q),*Discrete Mathematics***341**(2018), 2820-2826. - K. L. Patra and
**B. K. Sahoo**, Bounds for the Laplacian spectral radius of graphs,*Electronic Journal of Graph Theory and Applications***5**(2017), 276-303. - A. Jena and
**B. K. Sahoo**, Revisiting Eisenstein-type criterion over integers,*The Mathematics Student***86**(2017), 77-86. - K. L. Patra,
**B. K. Sahoo**and Bikramaditya Sahu, Minimum size blocking sets of certain line sets related to a conic in PG(2,q),*Discrete Mathematics***339**(2016), 1716-1721. **B. K. Sahoo**, Existence of non-abelian representations of the near hexagon Q(5,2)\otimes Q(5,2),*Proceedings: Mathematical Sciences***126**(2016), 143-151.- B. De Bruyn and
**B. K. Sahoo**,*Journal of Algebraic Combinatorics***44**(2016), 59-79. **B. K. Sahoo**and N. S. N. Sastry, Binary codes of the symplectic generalized quadragle of even order,*Designs, Codes and Cryptography***79**(2016), 163-170.- K. L. Patra and
**B. K. Sahoo**, Minimizing Laplacian spectral radius of unicyclic graphs with fixed girth,*Czechoslovak Mathematical Journal***63**(2013), 909-922. - 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), 127-140. - 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), 215-229. **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), 195-213.- 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. **B. K. Sahoo**, New constructions of two slim dense near hexagons,*Discrete Mathematics***308**(2008), 2018-2024.**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), 52-64.**B. K. Sahoo**and B. Sury, What is the Burnside Problem?,*Resonance*,**10**(July, 2005), 34-48.

Preprints:

- B. De Bruyn,
**B. K. Sahoo**and Bikramaditya Sahu, Blocking sets of tangent lines to a hyperbolic quadric in PG(3,3). - S. Chattopadhyay, K. L. Patra and
**B. K. Sahoo**, Minimal cut-sets in the power graph of certain finite non-cyclic groups (arXiv:1802.07646v1). - S. Chattopadhyay, K. L. Patra and
**B. K. Sahoo**, Vertex connectivity of the power graph of a finite cyclic group II (arXiv:1810.11316v1).

Teaching:

__2018-2019__Rings and Modules (Int. Msc.)__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.)

Responsibility:

Project/Thesis Guidance:

** Theses**:

- Ph.D. Thesis of Mr. Puspendu Pradhan, School of Mathematical Sciences, NISER, Bhubaneswar (continuing)
- Ph.D. Thesis of Mr. Bikramaditya Sahu, School of Mathematical Sciences, NISER, Bhubaneswar (Thesis submitted, 2018)
- M.Sc. Thesis of Mr. Ayush Kumar Tewari, School of Mathematical Sciences, NISER, Bhubaneswar (2017)
- M.Sc. Thesis of Mr. Soumyadip Das, School of Mathematical Sciences, NISER, Bhubaneswar (2014)
- M.Sc. Thesis of Mr. Muna Naik, School of Mathematical Sciences, NISER, Bhubaneswar (2013)

** Projects**:

- Summer project of Mr. Dibyayoti Dhananjay Jena, SMS, NISER, Bhubaneswar (2017)
- Summer project of Mr. Awanish Kumar, NISER, Bhubaneswar (2016)
- M.Sc. Project of Mr. Ayush Kumar Tiwari, SMS, NISER, Bhubaneswar (2015-2016)
- Summer Project of Ms. Ritika Nair, Department of Mathematics, St. Stephen's College, University of Delhi (under SRF Programme - 2015)
- Summer Project of Mr. Yash Travadi, Department of Mathematics and Statistics, IIT Kanpur (May 29 - July 16, 2015)
- M.Sc. Project of Mr. Vaibhav Pandey, SMS, NISER, Bhubaneswar (July-December, 2014)
- Summer Project of Ms. Saswati Sinha, Dept.of Mathematics, Pondicherry University (under SRF Programme - 2014 jointly sponsored by IASc, INSA & NSAI)
- M.Sc. Project of Mr. Soumyadip Das, SMS, NISER, Bhubaneswar (2011-2012, 2012-2013)
- M.Sc. Project of Ms. Manasa Manjunatha, SMS, NISER, Bhubaneswar (2011-2012)
- M.Sc. Project of Mr. Ankush Goswami, SMS, NISER, Bhubaneswar (2010-2011)
- M.Sc. Project of Mr. Abinash Nayak, SMS, NISER, Bhubaneswar (2010-2011)

Academic Presentations:

- Blocking sets of tangent and external lines to a hyperbolic quadric in PG(3,q), International Congress of Mathematicians (August 1-9, 2018), Rio de Janeiro, Brazil.
- Delivered six lectures at the Interactive Mathematics Training Camp (May 14-26, 2018), at Institute of Mathematics and Applications, Bhubaneswar.
- Revisiting Eisenstein-type criterion over integers, at the Department of Mathematics, Central University of Odisha, Koraput (Novermber 20, 2017).
- Vertex connectivity of the power graph of a finite cyclic group, The Second Malta Conference in Graph Theory and Combinatorics (June 26-30, 2017), at Qawra, Malta.
- Delivered a series of lectures during the one month Training Program in Mathematics (May 22-June 17, 2017), at NISER, Bhubaneswar.
- Power graph of a group and its connectivity, Inter-IISER Mathematics meet (May 11-12, 2017), IISER Pune.
- Delivered a series of seven lectures on Module theory for the Int.M.Sc. students in the Department of Mathematics, Central University of Odisha, Koraput, during September 19 - 27, 2016.
- Delivered a series of lectures during the one month Training Program in Mathematics (May 23-June 18, 2016), at NISER, Bhubaneswar.
- Standard number systems and beyond, Lecture for school children at Capital High School, Bhubaneswar (February 16, 2016), supported by Odisha Bigyan Academy.
- Binary codes of the symplectic generalized quadrangles of even order, 8th Slovenian conference on Graph Theory (June 21--27, 2015), at Kranjska Gora, Slovenia.
- Delivered four lectures during Interactive Mathematics Training Camp (May 13-22, 2015), at Institute of Mathematics and Applications, Bhubaneswar.
- Rational and Jordan canonical forms of linear transformations, TEQIP Workshop on Functional Analysis and Applications (December 23--24, 2014), at Department of Mathematics, IIT Hyderabad.
- Delivered six lectures at the NBHM sponsored programme Annual Foundation School-I (December 1--27, 2014), at NISER, Bhubaneswar.
- A non-abelian representation of the dual polar space DQ(2n,2), Workshop and conference of Groups and Geometries (December 10--21, 2012), at Indian Statistical Institute, Bangalore.
- Non-abelian representations of slim dense near hexagons, International conference on Incidence Geometry and Buildings (February 6--10, 2012), at Ghent University, Belgium.
- Finite symplectic polar spaces of odd prime order - a characterization, International Congress of Mathematicians (August 19--27, 2010), at Hyderabad, India.
- Simplicity of the projective special linear group, at F. M. College, Balasore (March 23, 2010), UGC sponsored seminar on Finite Geometry and Graph Theory.

Academic Visits:

- International Congress of Mathematicians (August 1-9, 2018), Rio de Janeiro, Brazil.
- Department of Mathematics, Central University of Odisha, Koraput, during November 20-22, 2017.
- The Second Malta Conference in Graph Theory and Combinatorics (June 26-30, 2017), at Qawra, Malta.
- Inter-IISER Mathematics meet, IISER Pune (May 11-12, 2017).
- Department of Mathematics, Central University of Odisha, Koraput, during September 19-27, 2016.
- Statistics and Mathematics Unit, Indian Statistical Institute, Bangalore Centre, during June 20-July 15, 2016.
- 8th Slovenian conference on Graph Theory (June 21-27, 2015), at Kranjska Gora, Slovenia.
- Interactive Mathematics Training Camp (May 13-22, 2015), at Institute of Mathematics and Applications, Bhubaneswar.
- TEQIP Workshop on Functional Analysis and Applications (December 23--24, 2014), at Department of Mathematics, IIT Hyderabad.
- Statistics and Mathematics Unit, Indian Statistical Institute, Bangalore Centre, during June 9-July 11, 2014.
- Advanced Instructional School in Algebraic Combinatorics (June 24-July 13, 2013), ISI, Bangalore.
- Workshop and Conference on Groups and Geometries (December 10-21, 2012), ISI, Bangalore.
- International Conference on Incidence Geometry and Buildings (February 6-10, 2012), Ghent University, Belgium.
- International Conference on Buildings, Finite Geometries and Groups (August 29-31, 2010), ISI, Bangalore.
- International Congress of Mathematicians (August 19-27, 2010), Hyderabad, India.
- UGC sponsored seminar on Finite Geometry and Graph Theory (Mar 23, 2010), F. M. College, Balasore, Odisha.
- Summer School and Advanced Workshop on Trends and Developments in Linear Algebra (June 22-July 10, 2009), ICTP, Italy.
- Conference on Perspectives in Mathematical Sciences (February 04-08, 2008), ISI, Bangalore.
- International Conference on Buildings and Groups (May 20-26, 2007), Ghent University, Belgium.
- Department of Mathematics, Ghent University, Belgium, during May 19 - June 30, 2007.
- International Congress of Mathematicians (August 22-30, 2006), Madrid, Spain.
- Joint India-AMS Mathematics Meeting (December 17-20, 2003), IISc, Bangalore.
- Instructional Workshop and International Conference on Geometric Group Theory (December 02-21, 2002), IIT, Guwahati.

Sponsored Projects:

Contact:

Office Phone:

0674-2494084

Office Room:

223

Office address:

School of Mathematical Sciences,
NISER, Bhubaneswar,
At/P.o. - Jatni, Dist- Khurda, Odisha-752050, India

**School of Mathematical Sciences**

NISER, PO- Bhimpur-Padanpur, Via- Jatni, District- Khurda, Odisha, India, PIN- 752050

Tel: +91-674-249-4081

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