• Journal Papers
  • A Sufficient Condition for the Hanna Neumann Property of Submonoids of a Free Monoid, Semigroup Forum, 86(3), 537-554, 2013 (Coauthored with Shubh Narayan Singh). DOI:10.1007/s00233-012-9449-4, arXiv:1112.4256.
  
  
  
  • The rank and Hanna Neumann property of some submonoids of a free monoid, Ann. Math. Inform., 40, 113-123, 2012 (Coauthored with Shubh Narayan Singh). arXiv:1112.4250
  
  
  
  • Holonomy Decomposition of Seminearrings, SEAMS Bulletin, 31(6), 1113-1122, 2007 (Coauthored with N. Chatterjee). MR 2386989
  
  
  
  • Representation of Near-Semirings and Approximation of Their Categories, SEAMS Bulletin, 31(5), 903-914, 2007 (Coauthored with N. Chatterjee). MR 2362531
  
  
  
  • A Necessary Condition to Test the Minimality of Generalized Linear Sequential Machines Using the Theory of Near-Semirings, Algebra and Discrete Mathematics, Number 3. 2005. pp. 30-45 (Coauthored with N. Chatterjee). MR 2237893
  
  
  
• Conferences/Workshops
  • Session Chair

    On August 22, 2011 at the 13th International Conference on Automata and Formal Languages (AFL'11), Debrecen, Hungary, August 17-22, 2011.
    
    

    On September 26, 2008 at the National Conference on Innovative Computational Intelligence-08 (NCICI'08), Chennai, September 25-26, 2008.

  
  
  • Invited Talks

    On Directing Sequences of Reset Automata at the International Conference on Recent Advances in Mathematical Sciences and Applications (RAMSA '09), Visakhapatnam, December 19-22, 2009.

  
  
  • Articles in Proceedings

    Towards Shortest Synchronizing Words in Polynomial Time, In Proceedings of the 13th International Conference on Automata and Formal Languages (AFL'11), Debrecen, Hungary, August 17-22, 2011, pp.358-367. (Coauthored with V.T.K. Pramod).
    
    

    On Directing Sequences of Reset Automata, In proceedings of International Conference on Recent Advances in Mathematical Sciences and Applications (RAMSA '09), Visakhapatnam, December 19-22, 2009. pp. 209-214.
    
    

    Towards Holonomy Decomposition of Process Algebras, In Proceedings of the National Conference on Innovative Computational Intelligence-08 (NCICI'08), Chennai, September 25-26, 2008, pp.242-249. (Coauthored with Purandar Bhaduri).

  
  
  • Contributed Talks

    On the Rank of the Intersection of Two Submonoids of a Free Monoid at the International Conference A^3: Abstract Algebra and Algorithms Conference, Eger, Hungary, August 14-17, 2011. (Coauthored with Shubh Narayan Singh).
    
    

    Theory of Radicals of Seminearrings at the International Congress of Mathematicians 2006 (ICM2006), Madrid, Spain, August 22-30, 2006. (Coauthored with D. Ramakotaiah).
    
    

    Near-Semirings in Generalized Linear Sequential Machines at the 20th Conference for Young Algebraists and 69th Workshop on General Algebra, Potsdam, Germany, March 18-20, 2005. (Coauthored with N. Chatterjee).
    
    

    A Computational Model for Real-World Planning and Scheduling Problems has been presented at the Sixth International Conference of the APORS 2003, New Delhi, December 8-11, 2003. (Coauthored and Presented by N. Chatterjee).

  
  
  • Resource Person

    Lectures on Structure of Groups at Winter School and Conference on Algebra and Number Theory, Tezpur University, December 23-29, 2011.
    
    

    Lectures on Elementary Number Theory at Mathematics Training and Talent Search Programme (MTTS), IIT Guwahati, May 26-June 21, 2008.
    
    

• Preprints
  • Holonomy Decomposition of Circular Semi-Flower Automata (Coauthor: Shubh Narayan Singh).
  
  
  
  • Syntactic Complexity of Circular Semi-Flower Automata (Coauthor: Shubh Narayan Singh).
  
  
  
  • L-Primitive Words in Submonoids (Coauthor: Shubh Narayan Singh).
  
  
  
  • L-Primitive Words (Under Preparation).
  
  
  
• Ph.D. Students
  • Gayatri Panicker

    Date of Joining	: July, 2011
    Topic	: Mathematical Logic
    Status	: On going

  
  
  • Jitender Kumar

    Date of Joining	: July, 2009
    Topic	: Theory of Near-Semirings
    Status	: On going

  
  
  • Shubh Narayan Singh

    Area of Research	: Algebraic Automata Theory
    Title of the Thesis	: Semi-Flower Automata
    Date of Submission	: 22.08.2012
    Date of Viva Voce	: 01.11.2012
    Current Position	: Assistant Professor, Dept. of Mathematics, Central University of Bihar

  
  
  
• Project Students
  • M.Sc.

    Urmi Nayak, Project Title: Rational and Recognizable Sets (2011)

    V.T.K. Pramod, Project Title: Towards Shortest Synchronizing Words in Polynomial Time (2011).

    Shyam Sunder Iyer, Project Title: Jacobson Radical of Rings and Generalized Rings (2009 - 2010).

    Bhanuprasad Reddi, Project Title: Eilenberg-Type Variety Theorems (2008 - 2009).

    Uday Pratap Singh, Project Title: The Finite Basis Problem (2007 - 2008).

    D.N.S.V.L. Rajesh Reddy, Project Title: Logic: An Algebraic Perspective (2007 - 2008).

    
    
    
  • B.Tech.

    Ritesh Nainani and Kunal Bariwal, Project Title: A Study on the Bounds of Synchronizing Words (2013).

    Muchenthula Anil Kumar Reddy, Project Title: A Study on the Bounds of Černý Function (2012).

  Ajay Mehra, Project Title: An Empirical Study on Synchronizing Algorithms with respect to the Černý Series (2012).