Conferences

  • Vertex Guarding in Weak Visibility Polygons [pdf] [BibTeX]
    Pritam Bhattacharya, Subir Kumar Ghosh, Bodhayan Roy
    CALDAM 2015 (LNCS Vol. 8959), pp: 45-57, 2015
  • A 1/4-Approximation Algorithm for the Maximum Hidden Vertex Set Problem in Simple Polygons [pdf] [BibTeX]
    Carlos Alegria, Pritam Bhattacharya, Subir Kumar Ghosh
    Accepted in EuroCG 2019

Journals

  • Approximability of Guarding Weak Visibility Polygons [pdf] [BibTeX]
    Pritam Bhattacharya, Subir Kumar Ghosh, Bodhayan Roy
    Discrete Applied Mathematics, Vol. 228 (CALDAM 2015 Special Issue), pp: 109-129, 2017
    DOI: http://dx.doi.org/10.1016/j.dam.2016.12.015
  • Constant Approximation Algorithms for Guarding Simple Polygons using Vertex Guards [pdf]
    Pritam Bhattacharya, Subir Kumar Ghosh, Sudebkumar Pal
    Submitted to CGTA

Books

arXiv

  • Approximability of Guarding Weak Visibility Polygons [arXiv] [BibTeX]
    Pritam Bhattacharya, Subir Kumar Ghosh, Bodhayan Roy
  • Constant Approximation Algorithms for Guarding Simple Polygons using Vertex Guards [arXiv] [BibTeX]
    Pritam Bhattacharya, Subir Kumar Ghosh, Sudebkumar Pal

Workshops / Colloquiums

Technical Reports

  • Approximation Algorithms and Inapproximability Results for Art Gallery Problems [pdf]
    PhD Registration Report, Dept of Computer Science & Engineering, Indian Institute of Technology, Kharagpur, 2016
  • Switching in Boolean Circuits and Modelling Cognition through Neuroids [pdf]
    Master's Thesis, School of Technology and Computer Science, Tata Institute of Fundamental Research, Mumbai, 2014
  • A Visual Cryptographic Scheme for Multiple Secret-Sharing using Monotonic General Access Structures [pdf]
    B.Tech. Dissertation, Dept of Computer Science & Engineering, Institute of Engineering & Management, Kolkata, 2010

My Public Research Profiles