# Presentation of Papers/Major Speeches

(187) “Discretizing compact manifolds with minimum energy,” plenary speaker, 11th International Symposium on Orthogonal Polynomials and Special Functions, Madrid, Spain, September 2011.

(186) “In Pursuit of Nick Papamichael: A tale of three cities,” plenary speaker, Conference on Computational Complex Analysis and Approximation Theory, Protarus, Cyprus, June, 2011.

(185) “Finite-Term Recurrence Relations for Bergman and Szegö Polynomials,” International Symposium in Approximation Theory (Shanks conference), Vanderbilt University, May, 2011.

(184) “Minimum Energy Discretization of Manifolds,” University of Melbourne Colloquium speaker, Melbourne, Australia, March, 2011.

(183) “Discretizing Manifolds via Minimum Energy,” SIMtech Mini-Workshop “On minimum energy problems,” plenary speaker, University of Stuttgart, Stuttgart, Germany, January, 2011.

(182) “Orthogonal Polynomials on an Archipelago,” University of Trondheim, Trondheim, Norway, May, 2010.

(181) “Optimal Configurations on the Sphere and other Manifolds,” University of Trondheim, Trondheim, Norway, May, 2010.

(180) “Bergman Orthogonal Polynomials”, University of Eichstaett, Eichstaett, Germany, August, 2010.

(179) “Minimal Energy Configurations on the Sphere and other Manifolds,” University of Eichstaett, Eichstaett, Germany, August, 2010.

(178) “Riesz Extremal Measures on the Sphere for Axis-Supported External Field,” University of New South Wales, Sydney, Australia, July, 2009.

(177) “Discrete and Continuous Extremal Problems on Manifolds,” University of New South Wales, Sydney, Australia, July, 2009.

(176) “Riesz Extremal Measures on the Sphere for Axis-Supported External Field,” University of Cyprus, Nicosia, Cyprus, May, 2009

(175) “Riesz Extremal Measures on the Sphere for Axis-Supported External Field,” INRIA, Sophia-Antipolis, France, June, 2009

(173) ”Minimal Energy on Manifolds,” University of Lille, France, May 2008.

(172) ”Minimal Discrete Energy,” Oklahoma State University, Stillwater, April, 2008.

(171) ”Minimal Discrete Energy,” City University, Hong Kong, March 2008.

(170) ”Bergman Orthogonal Polynomials,” Hong Kong University of Science and Technology, February 2008.

(169) ”Orthogonal Polynomials on Archipelagos,” City University, Hong Kong, February 2008.

(168) “Minimal Discrete Energy and Best-Packing,” Los Alamos National Laboratories, Center for Nonlinear Analysis, November 2007.

(167) “Minimum Energy Problems on Manifolds – Part I” and “Minimum Energy Problems on Manifolds – Part II,” Gebze University, Gebze, Turkey, September 2007.

(166) “Discrete Minimal Energy Problems,” Sabanci University, Istanbul, Turkey, September 2007.

(165) “Orthogonal polynomials on archipelagos,” University of Grenada, Spain, September 2007.

(164) “Discrete Minimal Energy Problems,” Quadrature Domains and Laplacian Growth in Modern Physics Conference, The Banff Centre, Calgary, Canada, July 2007.

(163) “Asymptotics for Polynomial Zeros: Beware of Predictions from Plots,” Steklov Institute, Moscow, May 2007.

(162) “Discrete Minimal Energy Problems,” Extremal Problems in Complex and Real Analysis Conference, Friendship University, Moscow, May 2007.

(161) “Minimal Energy Problems and Best-Packing,” Invited colloquium talk. Johns Hopkins University, Baltimore, Maryland, April 2007.

(160) “Minimal Energy Problems and Best-Packing,” Mini workshop in Geometric Measure Theoretical Approaches to Potentials on Fractals and Manifold, Mathematisches Forshungsinstitut Oberwolfach, Germany, April 2007.

(159) “Discrete Minimal Energy Problems.” University of Cape Town, Cape Town, South Africa, March 2007.

(158) “Discrete Minimal Energy on Manifolds.” Invited colloquium talk. Indiana University, Bloomington, Indiana, September 2006.

(157) “Minimal Energy Problems and Best Packing.” Mathematics Institute of the Ukrainian Academy of Sciences, Kiev, Ukraine, June 2006.

(156) “Asymptotics for Polynomial Zeros: Beware of Predictions from Plots.” National Shevchenko University, Kiev, Ukraine, June 2006.

(155) “Discrete Minimum Energy Problems.” Spaces of Analytic Functions and Their Operators Conference, Marseille, France, June 2006.

(154) “Minimal Energy Problems and Best Packing.” University of Texas, Austin, Texas, April 2006.

(153) “Minimum Riesz Energy Points,” Invited main speaker, Mathematical Association of America Regional Undergraduate Math Conference, Bowling Green, Kentucky, November 2005.

(152) “Discretizing Manifolds via Minimal Energy Points,” Invited main speaker, Difference Equations, Special Functions and Approximation Conference, Munich, Geremany, June/July 2005.

(151) “Distributing Many Points on a Manifold,” Invited main speaker, Pluripotential Theory and Its Applications Conference, Pacific Institute for Mathematical Sciences, Banff, Canada, September 2004.

(150) “Discretizing Manifolds via Minimum Energy Points,” Invited main speaker, Workshop on Harmonic Analysis, GSF-National Research Center, Munich, July 2004.

(149) “Zero Distribution of Orthogonal Polynomials Over Regions and Curves,” Invited main speaker, Special Functions in Harmonic Analysis and Applications Conference, Irsee, Germany, July 2004.

(148) “Asymptotic Behavior of Zeros of Bergman Polynomials,” INRIA, Sophia-Antipolis, France, June 2004.

(147) “Distributing Many Points on a Manifold,” Colloquium lecture, Duke University, Durham, North Carolina, April 2004.

(146) “Discretizing Manifolds via Minimum Energy Points,” Colloquium lecture, University of Florida, Gainesville, Florida, March 2004.

(145) “Orthogonal Polynomials Over Regions and Curves,” American Mathematical Society Annual Meeting, Phoenix, Arizona, February 2004.

(144) “Minimal Riesz Energy Points on Manifolds,” Colloquium lecture, Georgia Institute of Technology, Atlanta, Georgia , November 2003.

(143) “Logarithmic Potentials With External Fields,” Colloquium lecture, University of Cyprus, Nicosia, Cyprus, October 2003.

(142) “Orthogonal Polynomials over Regions in the Plane” INRIA, Sophia-Antipolis, France, Summer, 2002.

(141) “Minimal Discrete Riesz Energy on Manifolds” invited special session speaker, Annual American Math Society Meeting, Baltimore, Maryland, January 2003.

(140) “Bergman Orthogonal Polynomials” invited main speaker, Annual Western States Mathematical Physics Meeting, California Institute of Technology, Pasadena, California, February 2003.

(139) “Zeros of Polynoimials over regions or over contours” invited main speaker, AMS-IMS-SIAM, Summer Research Conference, Snowbird, Utah, June 2003.

(138) “Minimum Energy Points” invited main speaker, Curves and Surfaces Conference, St. Malo, France, June 2002.

(137) “Logarithmic Potentials with External Fields” invited main speaker, Mathematical Analysis Conference, University of Umea, Umea, Sweden, June 2002.

(136) “Distributing Many Points on a Sphere” invited colloquium talk, Kent State University, Kent, Ohio, November 2001.

(135) “Logarithmic Potentials with External Fields” invited colloqium lecture, Wichita State University, Wichita, Kansas, March 2002.

(134) “Logarithmic Potentials with External Fields” invited lecture, Amer. Math. Society Southeast Region Conference, Chattanooga, Tennessee, October 2001.

(133) “Near Optimal Nodes for Polynomial Interpolation on Certain Algebraic Curves” invited lecture, Approximation Conference in honor of R. DeVore, Charleston, South Carolina, May 2001.

(132) “Distributing Many Points on a Sphere”, invited lecture, Conference on Multivariate Approximation, Bommerholz, Germany, September 2000.

(131) “Distributing Many Points on a Sphere”, invited lecture, Conference on Mathematical Analysis and its Applications, National Technical University of Athens, Athens, Greece, August 2000.

(130) “Asymptotic Behavior of Zeros of Orthogonal Polynomials”, invited lecture, University of Minho, Braga, Portugal, June 2000.

(129) “Best Meromorphic Approximation of Markov Functions” invited lecture, International Workshop on Theory of Operators, Bordeaux, France, June 2000.

(128) “Discrete Minimal Energy Problems on the Sphere” invited lecture, 5th International Conference on Approximation and Optimization in the Caribbean, Guadeloupe, France, April 1999.

(127) “Hankel Norm Approximation to Markoff Functions” invited lecture, Funktionentheorie, Oberwolfach-Walke, Germany, January 1999.

(126) “Using the Internet for Mathematical Instruction”, University of Cyprus, Nicosia, Cyprus, May 1998.

(125) “Fast Decreasing Rationals”, invited main speaker, Approximation Theory IX, Nashville, Tennessee, January 1998.

(124) “Fast Decreasing Rational Functions”, invited lecture presented to Danish Mathematical Society, Copenhagen, Denmark, October 1997.

(123) “Distributing Many Points on a Sphere”, invited EPSON lecturer, Hong Kong Mathematical Society, City University of Hong Kong, November 1997.

(122) “Asymptotic Behavior of Zeros of Matrix Orthogonal Polynomials”, invited main speaker at the international conference “Orthogonal Polynomials and Expansions”, held in Seville, Spain, September 1997.

(121) “Minimal Discrete Energy on a Sphere”, Northwestern University, April 1997.

(120) “Zero Distributions for Krawtchouk Polynomials”, University of Grenada, Spain, April 1997.

(119) “Distributing Many Points on a Sphere”, Polytechnic University, Madrid, Spain, March 1997.

(118) “Constrained Energy Problems”, Juan Carlos III University, Madrid, Spain, March 1997.

(117) “Minimal Discrete Energy on a Sphere”, Autonoma University, Madrid, Spain, March 1997.

(116) “Distributing Many Points on a Sphere”, University of Seville, Spain, March 1997.

(115) “Rational Approximations with Local Geometric Rates”, Conference in honor of W.B. Gragg, Naval Postgraduate School, Monterey, California, November 1996.

(114) “Rational Approximations with Local Geometric Rates”, INRIA Colloquium Series, Sofia Antipolis, France, June 1996.

(113) “Fast Decreasing Rational Functions”, Department of Mathematics Colloquium Series, University of Cyprus, Nicosia, Cyprus, May 1996..

(112) “Designing Soccer Balls”, Colloquium Speaker, Department of Mathematics, University of South Carolina, Columbia, South Carolina, October 1995.

(111) “Designing Soccer Balls”, Colloquium Speaker, Bulgarian Academy of Sciences, Sofia, October 1995.

(110) “Graduate Mathematics Program at USF”, University of Cyprus, Nicosia, May 1995.

(109) “Uniform Distribution of Points on the Sphere”, University of Tel-Aviv , Colloquium Speaker, Tel-Aviv, Israel, May 1995.

(108) “Convergence of Relational Interpolations to the Exponential Function”, Joint AMS-Israel Math Union Meeting, Jerusalem, Israel, May 1995.

(107) “Weighted Zolotarev Problems”, (with E. Levin (presenter)), Constructive Methods in Complex Analysis, March 26 – April 1, 1995, Oberwolfach Conference, Germany.

(106) “Minimal Discrete Energy Problems on the Sphere”, Department of Mathematics, University of Central Florida , Orlando, January 1995.

(105) “Arrangements of Points on a Sphere”, Conference on Computational Methods and Function Theory, Penang, Malaysia, March 1994.

(104) “Rational Interpolation of the Exponential Function”, Conference in honor of W. Gautschi, Purdue University, West Lafayette, Indiana, December 1993.

(103) “Optimal Rays of Rational Functions”, Conference on Nonlinear Methods in Approximation, University of Antwerp, Belgium, September 1993. (main speaker)

(102) “Generalized Zolotarev Problem for Rational Functions”, Sofia, Bulgaria, August 1993.

(101) “Optimal Rays of Rational Functions”, INRIA, Sophia- Antipolis, France, June 1993.

(100) “Zeros of Szego” Polynomials and Frequency Analysis”, University of Cyprus , Nikosia, Cyprus, February 1993.

(99) “Behavior of Best Rational Approximants to |x|à”, Conference on Approximation Theory, San Antonio, Texas , January 1993.

(98) “Szego Polynomials and Frequency Analysis”, Colloquium, University of Toronto, Canada, November 1992.

(97) “Szego Polynomials and Frequency Analysis”, Maratea Conference, Maratea, Italy, September 1992.

(96) “Potential Theoretic Methods in Approximation Theory”, University of Minho, Braga, Portugal, July 1992.

(95) “Potential Theoretic Methods in Approximation Theory”, INRIA, Sofia-Antipolis, France, June 1992.

(94) “Szego Polynomials and Frequency Analysis”, Bulgarian Academy of Sciences, Sofia, Bulgaria, May 1992.

(93) “Behavior of Walsh Table of Rational Functions for |x|à”, 7th Texas International Conference in Approximation Theory, Austin, Texas, January 1992.

(92) “Wiener-Levinson Filters and Szego Polynomials”, Mathematics Colloquium, Kent State University, Kent, Ohio, November, 1991.

(91) “Logarithmic Potentials with External Fields”, Workshop in Potential Theory, Stowe, Vermont, July 1991.

(90) “Distribution of Interpolation Points of Best L2-Approximants”, Conference on Approximation Theory, Varna, Bulgaria, May 1991.

(89) “Weighted Analogues of Capacity, Transfinite Diameter, and Chebyshev Constant”, Workshop in Approximation Theoretic Methods in Complex Analysis and Mathematical Physics, St. Petersburg, Russia, May 1991.

(88) “Wiener-Levinson Filters and Szego Polynomials”, Centre d’Etudes Nuclaires, Saclay, France, August 1990.

(87) “Orthogonal Polynomials from a Complex Perspective, II”, DAMTP, Univ. of Cambridge, Cambridge, England, August 1990.

(86) “Orthogonal Polynomials from a Complex Perspective, I”, DAMTP, Univ. of Cambridge, Cambridge, England, July 1990.

(85) “Contamination Principle for Best Approximants”, Dept. of Math, Brunel Univ., Uxbridge, England, July 1990.

(84) “Polynomials Orthogonal on a Semi-Circle”, Conference on Orthogonal Polynomials, Erice, Italy, May 1990.

(83) “Szego Polynomials Associated with Wiener-Levinson Filters”, Conference on Approximation and Functional Analysis in honor of G.G. Lorentz, Texas A&M University, College Station, Texas, January 1990.

(82) “Interpolatory Properties of Best L2 – Approximants”, Old Dominion University, Northfolk, Virginia, December 1989.

(81) “Szego Polynomials Associated with Wiener-Levinson Filters”, Special Session on Function Theory, Canadian Math. Soc. Meeting, Montreal, Canada, December 1989.

(80) “Are Best Polynomial Approximants Good Approximants?”, INRIA Research Laboratory, Sophia Antipolis, France, June 1989.

(79) “Behavior of Extreme Points in Best Polynomial and Rational Approximation”, Conference on Konstruktive Approximationstheorie, Oberwolfach, West Germany, August 1989.

(78) “Orthogonal Polynomials from a Complex Perspective”, Bulgarian Academy of Sciences, Sofia, Bulgaria, June 1989.

(77) “Orthogonal Polynomials from a Complex Perspective”, (2 lectures) NATO Advanced Study Institute on Orthogonal Polynomials and their Applications, Ohio State University, Columbus, Ohio, May 1989.

(76) “Distinguished Lecture Series (A Series of 5 Lectures)” Texas A & M University, College Station, Texas, April 1989.

(75) “Weighted Analogues of Capacity, Transfinite Diameter, and Chebyshev Constants”, Conference on Numerical Linear Algebra and Approximation (in honor of R.S. Varga), Kent State University, Kent, Ohio, April 1989.

(74) “Behavior of Extreme Points in Best Polynomial and Rational Approximation”, U.S.-Chile Conference on Computational Methods & Function Theory, Universidad Technica Federico Santa Maria, Valparaiso, Chile, March 1989.

(73) “Are Best Polynomial Approximants Good Approximants?”, AMS Special Session on Computational Aspects of Complex Analysis, Phoenix, Arizona, January 1989.

(72) “Behavior of Best Polynomial and Rational Approximants”, Department Colloquium, University of Eichstatt, Eichsatt, Germany, August 1988.

(71) “Weighted Analogues of Capacity, Transfinite Diameter and Chebyshev Constants”, Universitat Wurzburg, Wurzburg, Germany, July 1988.

(70) “Behavior of Polynomials and Rational Functions of Best Approximation”, Swiss Federal Institute of Technology (ETH), Zurich, Switzerland, July 1988.

(69) “Best and Near Best Polynomial Approximants”, U.S.-Norway Conference on Approximation, Boulder, Colorado, June 1988.

(68) “Behavior of Polynomials of Best Approximation”, Steklov Institute, Leningrad, USSR, June 1988.

(67) “Behavior of Polynomials of Best Approximation”, Steklov Institute, Moscow, USSR, June 1988.

(66) “Contamination Principle in Best Approximation”, U.S.-Israel Binational Meeting in Approximation Theory, Jerusalem, May 1988.

(65) “Contamination Principle in Best Approximation”, Southeast Approximators Conference, Georgia Tech, Atlanta, Georgia, April 1988.

(64) “Contamination Principle in Best Approximation”, Lecture Series in Math Sciences, University of Arkansas , Fayetteville, Arkansas, April 1988.

(63) “Contamination Principle in Best Approximation”, Department of Mathematics, California State University, Los Angeles, California, March 1988.

(62) “Behavior of Best Polynomial and Rational Approximants”, Conference on Methods and Applications of Approximation Theory, Mathematical Institute, Oberwolfach, West Germany, February 1988.

(61) “Contamination Principle in Best Approximation”, Department of Applied Mathematics, Brunel University , London, England, January 1988.

(60) “Contamination Principle in Best Approximation”, Conference on Constructive Methods in Approximation, Mathematical Institute, Oberwolfach, West Germany, August 1987.

(59) “Behavior of Best Polynomial and Rational Approximants”, DAMPT, Cambridge University, England, July 1987.

(58) “Polynomial and Rational Approximation in the Complex Domain”, University of La Laguna, Tenerife , Canary Islands, June 1987.

(57) “Distribution of Zeros of Extremal Polynomials”, Main Lecturer, Conference on Nonlinear Numerical Methods and Rational Approximation, University of Antwerp, Antwerp, Belgium, April 1987.

(56) “Density of Extreme Points in Best Approximation by Polynomials and Rational Functions”, Southeast Approximators (SEA) Conference, University of South Carolina, Columbia, South Carolina, April 1987.

(55) “Weighted Approximation with Applications, and Density of Extreme Points in Best Approximation by Polynomials and Rational Functions”, Department Colloquium Speaker, University of Tel-Aviv, Tel-Aviv, Israel, March 1987.

(54) “Proof of Freud’s Conjecture for Orthogonal Polynomials on Infinite Intervals”, Special Session on Orthogonal Polynomials, American Mathematical Society Annual Meeting, San Antonio, Texas, January, 1987.

(53) “Distribution of Zeros of Extremal Polynomials”, Main speaker and member of program committee, Conference on Approximation and Optimization, University of Habana, Habana, Cuba, January 1987.

(52) “A Generalized Weierstrass Approximation Problem with Applications”, Department Colloquium, Department of Mathematics, Lexington, Kentucky, December 1986.

(51) “Weighted Approximation with Applications”, Conference on Orthogonal Polynomials, Segovia, Spain, September 1986.

(50) “Pade Approximants of Partial Theta Functions and the Rogers – Szego Polynomials”, Approximation Theory Conference, Texas A & M University, January, 1986.

(49) “Approximation by Polynomials and Rational Functions in the Complex Domain”, Invited Lecturer, Amer. Math. Soc. Short Course, New Orleans, January, 1986.

(48) “Numerical Quadrature – A Complex Variables Approach”, IBM Thomas Watson Research Center, New York, November, 1985.

(47) “Jacobi Matrices, Orthogonal Polynomials, and Divided Differences”, University of Cambridge, Cambridge, England, August, 1985.

(46) “Incomplete and Orthogonal Polynomials”, Invited Speaker, Department of Mathematics, Beijing Institute of Technology, Beijing, China, May, 1985.

(45) “Behavior of Zeros of Polynomials of Best Approximation”, Invited Speaker, China – U.S. Joint Conference on Approximation Theory, Hangzhou, China, May 1985.

(44) “Rational Approximation: What a Difference a Division Makes”, Sigma Xi Outstanding Researcher Lecture, University of South Florida, Tampa, Florida, October 1984.

(43) “Degree of Approximation by Incomplete Polynomials”, Invited Colloquium Speaker, University of Colorado, Boulder, Colorado, June 1984.

(42) “Where Does the Sup Norm of a Weighted Polynomial Live?”, Invited Colloquium Speaker, Katholische Universitat Eichstatt, Eichstatt, West Germany, May 1984.

(41) “Where Does the Sup Norm of a Weighted Polynomial Live?”, Invited Colloquium Speaker, Swiss Federal Institute of Technology (ETH), Zurich, Switzerland, May 1984.

(40) “A Unified Approach to Incomplete Polynomials”, Invited Lecturer, Conference on Constructive Methods in Complex Analysis, Oberwolfach, Germany, August 1983.

(39) “Extremal Problems for Polynomials with Exponential Weights”, Invited Colloquium Speaker, Cambridge University, Cambridge, England, July 1983.

(38) “Incomplete and Orthogonal Polynomials”, Invited Colloquium Speaker, University of Kent, Canterbury, England, July 1983.

(37) “Extremal Problems for Polynomials with Exponential Weights”, Invited Colloquium Speaker, University of Utah, Salt Lake City, May 1983.

(36) “Incomplete and Orthogonal Polynomials”, Approximation Theory Conference, Texas A & M University, College Station, January 1983.

(35) “Extremal Problems for Polynomials with Exponential Weights”, Ohio State University, Columbus, Ohio, November 1982.

(34) “Extremal Problems for Polynomials with Exponential Weights”, University of Alberta, Approximation Theory Conference, Edmonton, Alberta, Canada, June 1982.

(33) “Inverse Theorems for Rational Interpolation”, Conference on Approximation Theory, Oberwolfach, Germany, November 1981.

(32) “Rational Interpolation and Generalized Taylor Series”, Workshop on Computational Methods of Complex Analysis, Stanford University, August 1981.

(31) “Distribution of Zeros of Taylor Series”, Invited Colloquium Speaker, Florida State University, Department of Mathematics, Tallahassee, Florida, May 1981.

(30) “Incomplete Polynomials”, Invited Colloquium Speaker, University of Kentucky, Department of Mathematics, Lexington, Kentucky, February 1981.

(29) “Zeros of Sections of Mittag-Leffler Functions”, Invited Lecturer, Conference on Constructive Methods in Complex Analysis, Oberwolfach, Germany, July 5-12, 1980.

(28) “Incomplete Polynomials”, Department of Mathematics, Old Dominion University, Norfolk, Virginia, February 1980.

(27) “Distribution of Zeros of Incomplete Polynomials”, Austin Conference on Approximation Theory, University of Texas at Austin, January 1980.

(26) “Behavior of the Poles of Pade Approximants”, American Mathematical Society Meeting, Kent State University, November 1979.

(25) “Approximation by Incomplete Polynomials”, Approximation Theory Conference, Northwestern University, October 1979.

(24) “An Introduction to Convergence Theory for Pade Approximants”, NATO Conference on Modern Methods of Complex Analysis, Durham University, Durham, England, July 1979.

(23) “Incomplete Polynomials”, Department of Mathematics, Syracuse University, New York, March 1979.

(22) “Incomplete Polynomials”, American Mathematical Society Meeting, College of Charleston, Charleston, South Carolina, November 1978.

(21) “Polynomial Approximation”, University of Michigan, Ann Arbor, Michigan, October 1978.

(20) “Pade Approximants for the Exponential”, University of Manchester, Manchester, England, May 1978.

(19) “Incomplete Polynomials”, Gesamthochschule Siegen, Siegen, Germany, May 1978.

(18) “Incomplete Polynomials”, University of Mannheim, Mannheim, Germany, May 1978.

(17) “Incomplete Polynomials”, Eidgenossische Technische Hochschule (ETH), Zurich, Switzerland, May 1978.

(16) “Bounds for Incomplete Polynomials”, University of Amsterdam, Holland, May 1978.

(15) “Incomplete Polynomials”, Imperial College, London, England, May 1978.

(14) “Rational Approximants of the Exponential”, Oxford University Computing Laboratory, Oxford, England, April 1978.

(13) “Rational Approximation in Unbounded Regions”, Ohio Section of the Mathematical Association of America, Youngstown, Ohio, May 1976.

(12) “Polynomials with Restricted Zeros”, Kent State University, Kent, Ohio, May 1976.

(11) “The Pade‚ Table for the Exponential”, University of Kentucky, Lexington, Kentucky, May 1976.

(10) “Zeros and Poles Pade Approximants”, University of Texas, Austin, Texas, January 1976.

(9) “Zero-Free Regions for Pade Approximants”, NSF and Hungarian Academy, Budapest, Hungary, September 1975.

(8) “Rational Approximation in Unbounded Regions”, American Mathematical Society Meeting, Vanderbilt University, Nashville, Tennessee, November 1974.

(7) “Coefficients Bounds for Polynomials with Restricted Zeros” (a series of five lectures), University of Montreal, Canada, June 1974.

(6) “Interpolation and Approximation by Rational Functions” Kent State University, Kent, Ohio, February 1974.

(5) “Convergence of Best Approximating Rational Functions” Brookhaven National Laboratory, New York, December 1972.

(4) “Convergence of Interpolating Rational Functions”, International Conference on Pade approximants, University of Kent, Canterbury, England, June 1972.

(3) “Regions of Meromorphy Determined by the Degree of Best Rational Approximation”, International Conference on Approximation Theory, University of Maryland, College Park, Maryland, 1970.

(2) “Existence and Uniqueness of Best Approximating Rational Functions”, University of Lancaster, England, 1969.

(1) “Degree of Convergence of Best Polynomial Approximations to Meromorphic Functions”, University of Kent, Canterbury, England, 1969.

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