Invited Talks & Conferences:
1. Daya Shankar Kulshreshtha, 2017, ``Introduction to String Theory and D-branes``, Invited Talk at the 14th International Conference on Algebraic and Analytical Methods in Physics, held at Prague, September 11-14, 2017.
2. Daya Shankar Kulshreshtha, 2017, ``Boson Stars and Boson Shells``, Invited Talk at the International Conference on Light-Cone Physics, held at the University of Mumbai, September 18-22, 2017.
3. Daya Shankar Kulshreshtha, 2016, ``101 Years of General Relativity: Black Holes, Wormholes and Time Travel'', Invited Colloquium Talk at the University of Botswana, Gaborone, Botswana, October, 21, 2016.
4, Daya Shankar Kulshreshtha, 2016, ``Towards a Theory of Everything'', Invited Colloquium Talk at the University of Botswana, Gaborone, Botswana, October, 18, 2016.
5. Daya Shankar Kulshreshtha, 2015, ``100 Years of General Relativity: Black Holes, Neutron Stars, Boson Stars, Wormholes and Time Travel, Invited Talk (Key Note Address) at the National Conference on Materials and Field Theory'', held at Bhagwan Parashuram Institute of Technology, New Delhi, India, December 28-29, 2015.
6. Daya Shankar Kulshreshtha, Usha Kulshreshtha and James Vary, 2015, ``Light-Front Quantization of the Restricted Gauge Theory of $QCD_{2}$'', Invited Contributed Talk at the ``International Conference on Light-Cone Physics LC2015, held at LMF, INFN Frascati, Italy, September 21-25, 2015 to appear in the Conference Proceedings in Few Body Systems, (2016).
7. Daya Shankar Kulshreshtha, 2014, ``Quantization of the Restricted Gauge Theory of $QCD_{2}$'', Invited Contributed Talk at the ``International Conference on Light-Cone Physics: LC2014: Theory and Experiments for Hadrons on the Light-Front'', held at North Carolina State University, Raleigh, NC, USA, May 26-30, 2014, to appear in the Conference Proceedings
in Few Body Systems, (2014).
8. Daya Shankar Kulshreshtha, 2013, ``LFQ of Large N Scalar $QCD_{2}$ with a Higgs Potential'', Invited Talk at the International Conference on Nuclear Theory in the Supercomputing Era - 2013 (NTSE-2013), held at the Iowa State University, Ames, Iowa, USA, May 13-17 (2013), Published in the Conference Proceedings (NTSE-2013), Proceedings Book, pp. 195-203 (2013).
9. Daya Shankar Kulshreshtha, 2011, "Light-Front Quantization of Conformally Gauge-Fixed Polyakov D1-Brane Action in the Presence of a Scalar Axion Field and an U(1) Gauge Field", Invited Talk at the International Conference on Light Cone LC2011: "Application of Light-Front Coordinates to Highly Relativistic Systems",
Southern Methodist University, Dallas, USA, May 23-27, 2011 (Published in Few Body Systems Vol. 52 (2012) pp.463-467).
10. Daya Shankar Kulshreshtha, 2010, “String Gauge Symmetries in the Light-Front Polyakov D1 Brane Action”, “Invited Talk” at the International Workshop On “Light-Cone 2010: Relativistic Hadronic and Particle Physics (LC2010)”, Valencia, Spain, June 14-18, 2010 (Published in PoS LC2010: 006, 2010, Proceedings of Science, SISSA, Italy).
11. Daya Shankar Kulshreshtha, 2008, “Polyakov D1 Brane Action On the Light-Front”, “Invited Talk” at the International Conference On “Light Cone 2008: Relativistic Nuclear and Particle Physics (LC2008)”, Mulhouse, France, July 07-11, 2008 (Published in PoS LC2008: 008, 2008, Proceedings of Science, SISSA, Italy) (arXiv:0809.1038 [hep-th]).
12. Daya Shankar Kulshreshtha, 2007, “Light-front quantization of the Polyakov D1 brane action with a scalar dilaton field”, “Invited Contributed Talk” at the International
Conference on “Relativistic Hadronic and Nuclear Physics-LC2007”, held at OCTS, Ohio State University, Columbus, Ohio, USA, May 14-18, 2007 (arXiv:0711.1342
[hep-th]).
13. Usha Kulshreshtha and Daya Shankar Kulshreshtha, 2005, “D-brane actions as constrained systems”, “Plenary Talk” Presented by DSK at THEP-I held at IIT Roorkee, India, March 16 -20, 2005 (arXiv:0511.058 [hep-th]).
14. Daya Shankar Kulshreshtha and U. Kulshreshtha, 2000, “A 2D light-cone Higgs model in the broken symmetry phase”, “Invited Talk” Presented by DSK at the International Light-Cone Conference (LC2000) on “Relativistic Nuclear and Particle Physics”, held at Max Planck Institute for Nuclear Physics, Heidelberg, Germany, June 2000, Published in Nucl. Phys. Proc. Suppl. 90, 55 (Neatherland).
15. Daya Shankar Kulshreshtha, 1997, “Stueckelberg term for the chiral Schwinger model with the Faddeevian regularization and the gauge symmetry”, “Contributed Paper” Presented at the 2nd Intl. Conf. on Symmetries in Physics, held at University of Seattle, Washington, July, 1997.
16. Daya Shankar Kulshreshtha, 1997, “The Gauge symmetry and BRST symmetry of the gauge-invariant chiral Schwinger model with the Faddeevian regularization”, “Contributed Paper”, Presented at the 2nd Intl. Conf. on Symmetries in Physics, held at University of Seattle, Washington, July, 1997.
17. U. Kulshreshtha and Daya Shankar Kulshreshtha, 1997, “Generalized Schwinger model in the light-front frame”, “Contributed Paper” at the “8th International Workshop on Light-Cone QCD and Nonperturbative Hadronic Physics”, held at Lutsen, University of Minnesota, USA, August 11-22, 1997.
18. U. Kulshreshtha and Daya Shankar Kulshreshtha, 1996, “BRST quantization of the light-cone Schwinger model”, “Talk” at the “COSEF-JSPS International Workshop in Theoretical Physics”, held at the Seoul University, Seoul, South Korea, February 1996.
19. U. Kulshreshtha, Daya Shankar Kulshreshtha and H. J. W. Mueller-Kirsten, 1993, “Hamiltonian and BRST formulations Of some chiral field theories in (1+1)-dimension”, “Invited Talk” at the “2nd Workshop on Constraint Theory and Quantization Methods”, Montepulciano, Italy, Jun 28 - Jul 1, 1993.
20. S. Bhatnagar, K. K. Gupta, A. N. Mitra and Daya Shankar Kulshreshtha, 1991, “Weak decays of heavy-light mesons in a Bethe-Salpeter formalism”, “Contributed
Paper” at the “International Conference on Hadron Spectroscopy (HADRON 91)” (Preceded by Summer Course on Hadron Spectroscopy, Aug 5-9), College Park,
MD, 12-16 Aug 1991.
21. Daya Shankar Kulshreshtha, 1990, “Hadron Structure in a Bethe-Salpeter Formalism”, “Plenary Talk” at the Conference on “Hadron Structure 90”, held at Smolenice, Bratislava, Czechoslovakia, October 22-26, 1990.
22. Daya Shankar Kulshreshtha, 1989, “The spin splittings of the c anti-c and b anti-b bound stated in the two-step potential model”, “Contributed paper” to the XIIth Int.
Conference of the Few-Body Problem in physics”, held at Vancouver, B.C. Canada, July 2-8, 1989, Proc. page H26, TRI-89-2 (1989), Edited by B.K. Jennings.
23. Daya Shankar Kulshreshtha, 1989, “Electro- and Chromomagnetic Annihilations of the S-State of c anti- c and b anti -b Systems in the two-step potential model”, “Contributed paper” to the XIIth Int. Conference of the Few-Body Problem in physics”, held at Vancouver, B.C. Canada, July 2-8, 1989, Proc. page H25, TRI-89-2 (1989),
Edited by B.K. Jennings.
24. Daya Shankar Kulshreshtha and A. N. Mitra, 1988, “Relativistic quark model”, “Talk by DSK”, at the XXIIIrd Rencontres de Moriond, Les Arcs, Savoie, France, on
“Current Issues in Hadron Physics”, March 13-19, 1988, Proc.: Editions Frontieres page 399-404 (1988), Edited by J. Tran Thanh Van.
25. Daya Shankar Kulshreshtha, 1988, “The spin splittings of the c anti-c and b anti-b bound stated in the two-step potential model”, “Invited Talk” at the Seminar on ”Recent trends in nuclear structure physics”, held at the IIT-Kanpur, India, october 17-21, 1988.
26. Daya Shankar Kulshreshtha, 1986, “The toponium states in the two-step potential model”, D. S. Kulshreshtha, “Contributed Paper” at the XIth Int. Conference on “Few-Body systems in nuclear and particle physics”, Tokyo and Sendai, Japan, august 24-30, 1986, page 94-95, Proc.: Edited by T. Sasakawa et al. (1986).
27. Daya Shankar Kulshreshtha, 1986, “The heavier naked beauty and open top states in the two-step potential model”, “Contributed Paper” at the XIth Int. Conference on “Few-Body systems in nuclear and particle physics” , Tokyo and Sendai, Japan, august 24-30, 1986, page 96-97, Proc.: Edited by T. Sasakawa et al. (1986).
28. Daya Shankar Kulshreshtha, 1985, “Is ξ(2.22) a 13 F2 (F wave triplet) state of s anti- s ?”, “Contributed Paper” to the “1985 Int. Symposium on Lepton and Photon Interactions at High Energies”, Kyoto, Japan, august, 1985.
29. Daya Shankar Kulshreshtha, A. N. Mitra and I. Santhanam, 1981, “A relativistic treatment of (s = 0, -1) baryon spectra”, “Contributed Paper” at the ”IXth inter-
national conference on HEP and nucleaon structure”, SACLAY, Paris, France, july 6-10, 1981.
30. Daya Shankar Kulshreshtha and R. S. Kaushal, 1980, “Quark confinement potential and the quark-diquark model for baryons”, “Contributed Paper” Presented by DSK at the ”IXth international conference on few-body problem”, Eugene Oregon, USA, august 17-23, 1980, Proc.: Vol. I, page 87 (1980).