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{{Infobox scientist
| name = Sisir Roy
| alt = Sisir Roy
| fields = [[Professor of Physics]]
| residence = Kolkata, West Bengal, India
| nationality = Indian
| known_for = [[Quantum Mechanics]], [[Unsharp Observables]], [[Wolf Mechanism]], [[Cosmology]], [[Brain Function Modelling]], [[Dynamic Geometry]], [[Electromagnetism]]
}}

Sisir Roy is presently a Full Professor, Theoretical Physics at the Indian Statistical Institute. His main research areas include Foundations of Quantum Mechanics, Unsharp Observables, Wolf Mechanism and Alternate Cosmology, Brain Function Modeling and Dynamic geometry Bayesian Methodology and Data analysis in Quasar Astronomy , as well as Extended Electromagnetic Theory. He has published more than&nbsp;120 papers in various international journals, and is the author of eight books.

<b>Positions:</b>

#        <div align="left">Professor, Physics and Applied Mathematics Unit, Indian Statistical Institute, Kolkata, from 1993             </div>
#        <div align="left">Distinguished Visiting Professor, George Mason University, USA, May 2006 -&nbsp;May 2007, Sep 2002 - Jan 2004, Feb 2001 -&nbsp;Jul 2001, Sep 1998 - May 1999             </div>
#        <div align="left">Associate Professor , Indian Statistical Insititute, Kolkata, 1987 - 1993             </div>
#        <div align="left">Visiting Scientist, Henri Poincare Institute, Paris, 1986 - 1987             </div>
#        <div align="left">Lecturer, Indian Statistical Institute, Kolkata, 1980 - 1987             </div>
#        <div align="left">Research Fellow for Ph.D., Indian Statistical Institute, 1975 - 1979             </div>

<b>     Present Interests:

</b>        #        <div align="left">Cosmological Red Shift, Non Parametric Statistical Data analysis of Recent Astronomical Data especially related to Quasars and galaxies, Studying Dynamic Multiple Scattering in the local environment of quasars based on the Wolf Effect and consequences.             </div>
#        <div align="left">Dynamic geometry and Brain Function Modeling.             </div>
#        <div align="left">Pre-geometry and Planck scale physics, Agent based simulation.             </div>
#        <div align="left">Quantum Information and Quantum Cryptography.             </div>
#        <div align="left">Statistical distance and Image Analysis.             </div>

<b>     Papers:

</b>        #        <div align="left">Foundations of Quantum Mechanics : 45 papers             </div>
#        <div align="left">Computer Science and Image Analysis : 3             </div>
#        <div align="left">Astrophysics and Cosmology : 11             </div>
#        <div align="left">Brain Function Modeling and Cognitive Activities : 6             </div>
#        <div align="left">Electromagnetic Theory : 38            </div>
#        <div align="left">"(Quantum) spacetime as a statistical geometry of fuzzy lumps and the connection with random metric spaces", <span class="cite"><span class="cite_authors">Manfred Requardt <i>et al</i></span> 2001 <i class="cite_journal_full">Class. Quantum Grav.</i> <strong class="cite_volume">18</strong> 3039-3057 &nbsp; doi: [http://dx.doi.org/10.1088/0264-9381/18/15/317 10.1088/0264-9381/18/15/317]</span>.            </div>

==Books==

* 2002 - "[[The Enigmatic Photon - Volume 3: Theory and Practice of the B(3) Field]]" ([http://www.amazon.com/Enigmatic-Photon-Practice-FUNDAMENTAL-THEORIES/dp/1402005180/ref=sr_1_1?ie=UTF8&s=books&qid=1253818801&sr=8-1 Read in full])
* 2002 - "[[The Enigmatic Photon - Volume 4: New Directions]]" ([http://www.amazon.com/Enigmatic-Photon-Directions-FUNDAMENTAL-THEORIES/dp/1402005199/ref=sr_1_2?ie=UTF8&s=books&qid=1253891474&sr=1-2 Read in full])
* 1999 - "[[Extended Electromagnetic Theory: Space-Charge in Vacuo and the Rest Mass of the Photon]]" ([http://www.amazon.com/Extended-Electromagnetic-Theory-Space-Charge-Contemporary/dp/9810233957 Read in full])
* 1998 - "[[Statistical Geometry and Applications to Microphysics and Cosmology]]" 
* 1998 - "[[The Present Status of the Quantum Theory of Light (Fundamental Theories of Physics)]]" ([http://www.amazon.com/Present-Quantum-Fundamental-Theories-Physics/dp/0792343379/ref=sr_1_1?ie=UTF8&s=books&qid=1242325753&sr=8-1 Read in full])

[[Category:Scientist|Roy Sisir]]
[[Category:Worldwide List of Dissident Scientists]]

[[Category:Quantum Theory]]

[[Category:Electromagnetism]]