*
**Measures of quantum computing speedup*, (with A. Papageorgiou) Phys. Rev. A, 88, 022316, 2013.

*Quantum algorithm and circuit design solving the Poisson equation**, *(with Y. Cao, A. Papageorgiou, I. Petras, S. Kais) New Journal of Physics, 15, 013021, 2013.

*Quantum algorithms for continuous problems and their applications**,* (with A. Papageorgiou)* *to appear in Adv. Chem. Phys., Quantum Information and Computation for Chemistry, S. Kais, A. R. Dinner and S. A. Rice Eds., 154, 2013.

*A** fast algoritthm for approximating the ground state energy on a quantum computer**,* (with A. Papageorgiou, I. Petras, C. Zhang) Mathematics of Computation, 82, 2293, 2013.

*Quantum Algorithms and Complexity for Continuous Problems**,* (with A. Papageorgiou), in Encyclopedia of Complexity and Systems Science, Vol. 8, 7118-7135, Springer New York, 2009.

*Qubit Complexity for Continuous Problems**, *(with A. Papageorgiou), JFPTA, Part I, Vol. VII, 2009, 295-304.

*Quantum Path Integration, *(with H. Wozniakowski), Quantum Information Processing, 1(5), 365-388, October 2002.* *LANL preprint quant-ph/0109113.

* **No Curse of Dimensionality for Contraction Fixed Points in the Worst Case?** *(with J. Rust and H. Wozniakowski), Econometrica, 70(1), 285-329, January 2002.

*Computing:Yesterday, Today, and Tomorrow**,* Complexity, 6(6), 15-18, 2001 (presented on the occasion of an honorary Doctorate of Science, University of Central Florida.)[.ps] [.pdf]

*Information-Based Complexity and Information-Based Optimization** *(with A. G. Werschulz), Encyclopedia of Optimization, 2001 .

*Information-Based Complexity*, Encyclopedia of Computer Science and Engineering, 4^{th} Edition, 2000, 850-854.

*A Continuous Model of Computation** *(Invited Paper), Physics Today, May, 1999, 39-43.

*Varieties of Limits to Scientific Knowledge** *(with P. Hut and D. Ruelle), Complexity 5, Fall, 1998, 33-38.

*Non-Computability and Intractability: Does it Matter to Physics?*, Columbia University Department of Computer Science, Technical Report, 1998.

*Faster Evaluation of Multidimensional Integrals** *(with A. Papageorgiou), Computers in Physics, November, 1997, 574-578.

*The Unknown and the Unknowable*, Columbia University Department of Computer Science, Technical Report, and Santa Fe Institute Working Paper, 1997.

*On Reality and Models*, in **Boundaries and Barriers: On the Limits to Scientific Knowledge**, (J. Casti and A. Karlqvist, eds.), Addison-Wesley, 1996, 238-251.

*From Infoware to Infowar*, in Defining a Decade: Proceedings of the CSTB 10th Anniversary Symposium, National Academy of Sciences, 1997, 1-7.

*Beating Monte Carlo* (with A. Papageorgiou), Risk, June 1996, 63-65. A version of this paper, *New Results on Deterministic Pricing of Financial Derivatives*, was presented on April 15, 1996 at Mathematical Problems in Finance organized by the Institute for Advanced Study, Princeton, New Jersey, and is available online. A related paper by Spassimir Paskov *New Methodologies for Valuing Derivatives*, is published as a chapter in **Mathematics of Derivative Securities** edited by S. Pliska and M. Dempster, Isaac Newton Institute, Cambridge University Press, Cambridge, UK, 1997, 545-582, and is also available online.

*Faster Valuation of Financial Derivatives**,*(with S. Paskov), Journal of Portfolio Management, Vol. 22:1, Fall, 1995, 113-120.

*The Monte Carlo Algorithm with a Pseudo-random Generator* (with H. Wozniakowski), Mathematics of Computation, Vol. 58, 1992, 303-339.