TALKS:

  • "On the homotopy of irregular sets," Amer. Math. Soc., Hanover, N.H., August, 1972.
  • "Transformation groups with irregular points," Georgia Topology Conference, Athens, Georgia, July, 1972.
  • "Irregular Points of Homeomorphism," University of Alabama, Tuscaloosa, Alabama, March, 1972.
  • "Irregular points of homeomorphisms," University of Houston, Houston, Texas, March, 1972.
  • "Topological Conjugacy problems in non-compact group actions," invited talk, Cornell University, Ithaca, N.Y., July, 1973.
  • "Semi-regular actions," V.P.I. Topology Conference, Blacksburg, Virginia, March, 1973.
  • "Regular Zn-actions," invited talk, University of Utah Topology Conference, Salt Lake City, Utah, February, 1974.
  • "Actions of locally compact groups with zero on manifolds," University of North Carolina, Charlotte Topology Conference, March, 1974.
  • "Diffeomorphisms with convergent iterates," Amer. Math. Soc., Washington D.C., January, 1975.
  • "Approximating approximate fibrations by fibrations," Topology Conference, Greensboro, N.C., October, 1975.
  • "Homotopy groups of PL-embedding spaces," invited talk, University of Ljubljana, Ljubljana, Yugoslavia, October, 1976.
  • "Approximate fibrations" and "Embeddings up to shape," invited talks, Institute of Mathematics, Polish Academy of Sciences, Warsaw, March, 1977.
  • "Topological characterization of affine transformations," invited talk, Drustva Mathematicara i Fizicara SRH, May,1977.
  • "Fibers of approximate fibrations," U. Oklahoma Top. Conf. March, 1978.
  • "Shape fibrations and FANR's," Oklahoma State Top. Conf. October, 1978.
  • "Embedding continua up to shape," Ohio Univ. Topology Conference, March, 1979.
  • "Embedding continua up to shape," Oklahoma State University, May, 1979.
  • "Embedding continua up to shape," North Carolina State University, Greensboro, May, 1979.
  • "Embedding continua up to shape," Amer. Math. Soc., Birmingham, AL, November, 1979.
  • "Embedding continua up to shape," Topology Conference at University of Georgia, August, 1980.
  • "Embedding continua up to shape," Topology Conference at Appalachian State University, October, 1980.
  • "Embedding up to shape," Dubrovnik Topology Conference, January, 1981.
  • "UVk Maps and Embeddings," Georgia Topology Conference, June, 1981.
  • "Upper semicontinuous decompositions and approximate fibrations", University of Zagreb, May 1984.
  • "Upper semicontinuous decompositions and approximate fibrations", invited talk, Stefan Banach International Mathematical Center, Warsaw, Poland Semester on Topology, May 1984.
  • "Using microcomputers to teach calculus", invited talk, Tennessee Mathematics Teachers Association, Carson Newman College, May 1985.
  • "Using microcomputers to teach calculus", invited talk, University Sponsored Research Program, University of Michigan, August 1985.
  • "Using microcomputers to teach calculus", invited talk, University Sponsored Research Program, University of North Carolina, Charlotte, October, 1985.
  • "Embeddings of continua up to shape", invited talk, Virginia Polytechnic University, November, 1985.
  • "A First Year Microcomputer Lab in the Mathematics Department", Association for Educational Data Systems Annual Meeting, New Orleans, March, 1986.
  • "e-Maps and Embeddings", Prague Topology Conference, Prague, Czechoslovakia, August, 1986.
  • "Continuous roots of polynomials", invited talk, Kolokvij Drustva Matematicara i Fizicara SRH, September, 1986.
  • "e-Maps and Embeddings", University of Zagreb, Zagreb, Yugoslavia, September, 1986.
  • "Embedding of continua", invited talks, Topology Conference, Inter-University Centre, Dubrovnik, Jugoslavia, October, 1986.
  • "Using Microcomputers to Teach Calculus", East Tennessee Education Association, Knoxville, TN, October, 1986.
  • "Embedding continua in Euclidean Space," invited talk, Univ. Alabama Birmingham Spring Topology Conference, March 1987.
  • "Embedding continua in Euclidean Space," invited talks, University of Warsaw and Polish Academy of Sciences, March 1987.
  • "How Not to run a microcomputer lab", Principal Invited Speaker, Mathematical Association of America, VA-MD-WashDC section, June 1987.
  • "Embeddings of Continua", Univ. Florida Spring Topology Conference, April 1988.
  • "A topologist looks at fractals", invited talk at University of North Carolina, Greensboro, November 1988.
  • "IFS's generated by topological contractions", invited talk at a special session on Topology at A.M.S. meeting in Muncie, IN, October 1989
  • "IFS's generated by topological contractions" Spring Topology Conference, University of South West Texas, April, 1990.
  • "IFS's generated by topological contractions" Topology Conference, North Carolina State University, October, 1990.
  • "Newton's method", invited talk, Student chapter of the MAA, University of North Carolina, Greensboro, October 1990.
  • "IFS's generated by topological contractions" and "Conditions which imply that the closure of a semigroup generated by matrices is compact", invited talks, Virginia Polytechnic University, December, 1990.
  • "Topological Characterizations of Iterated Function Systems of [0,1] and Covering Maps of the 1-Sphere," Dynamics Conference, Boston University, July 1991.
  • "Fractals and Chaotic Dynamics," Polymer Engineering Seminar, University of Tennessee, February 1992.
  • "Iterated Function Systems and Compact Semigroups," invited talk, Department of Mathematics, University of Warsaw, March 1992.
  • "Topological Characterizations of Covering Maps of the 1-Sphere," Institute of Mathematics, Polish Academy of Sciences, Warsaw, March 1992.
  • "Topological Characterizations of Iterated Function Systems of [0,1] and Covering Maps of the 1-Sphere," invited talk, special session in topology at A.M.S. meeting, Tuscaloosa, AL, March, 1992.
  • "Attractors of iterated function systems generated by stochastic matrices", Spring Topology Conference, University of North Carolina, Charlotte, NC, April 1992.
  • "Newton's Method," invited talk, Calvin College, Nov. 1992.
  • "Newton's Method," invited talk, Hope College, Nov. 1992.
  • "L-Systems and Topology," series of five invited lectures, (REU program) Hope College, June 1993.
  • "Mathematics Archives," joint 45 minute talk with Earl Fife, International Conference on Technology in Collegiate Mathematics, Parsippany, New Jersey, November 1993.
  • "Public Domain MSDOS Software which can be used in the teaching of mathematics," Southeastern Section Meeting of the MAA at Carson Newman College, April 1994.
  • "Gopher and the Mathematics Archives," joint talk with Earl Fife, Internet Gopher Conference, Minneapolis, MN, April 1994.
  • "Topological Conjugacy Problems in Dynamical Systems," series of five invited lectures, (REU program) Hope College, June 1994.
  • "Mathematics Archives," invited talk at NSF Technology Workshop at Oklahoma State University, August 1994.
  • "Obtaining Software and Other Teaching Materials By Email," ICTCM Conference, Orlando, FL, November 1994.
  • "Newton's Method," invited talk at St. Olaf College, March 1995.
  • "Mathematics on the Internet," invited talk at the Southern Regional NCTM Conference, Knoxville, TN, Oct. 1995.
  • "Non-hyperbolic Iterated Function Systems," MAA Session on Chaotic Dynamics and Fractal Geometry, Joint Mathematics Meetings, Orlando, FL, Jan. 1996.
  • "Non-hyperbolic Iterated Function Systems," invited talk at the University of Florida, March 1996.
  • "Using Internet Resources in the Teaching of Mathematics," Southeastern Section Meeting of the MAA at University of Alabama in Huntsville, April 1996.
  • "Using Internet Resources in the Teaching of Mathematics," Ninth Annual DeKalb College Mathematics Conference, DeKalb College, April 1996.
  • "Using Internet Resources in the Teaching of Mathematics," Exploring Undergraduate Algebra and Geometry with Technology, workshop at DePauw University, June 1996.
  • "Visual Calculus," Fifth Conference on the Teaching of Mathematics, Baltimore, MD, June 1996.
  • "Internet and the Teaching of Mathematics", invited one hour talk at the Southern Regional Meeting of NCTM, Altlanta, GA, February 1997.
  • "The Internet and Mathematics", invited one-half hour talk at the Rotary Club in Tullahoma, TN, and gave an invited one-hour talk at Motlow State Community College (with University of Tennessee, Space Institute as co-sponsor) on "The Internet and the Teaching of Mathematics", April 22, 1997. (Math Awareness Week)
  • "Calculus@UTK", invited twenty minute talk in the MAA Special Session on Mathematics Instruction and the World Wide Web, MathFest, Atlanta, August, 1997.
  • "Prototype Calculus Models," invited one hour talk at the University of Tennessee, September 1997
  • "Tour of the Mathematics Archives," one hour talk at the Florida MAA Section Meeting at Florida Atlantic University, Boca Raton, FL, March 1998.
  • "Internet Resources for the Teaching of Mathematics," one hour talk at the Kentucky MAA Section Meeting at Morehead State University, Morehead, KY, March 1998.
  • "Mathematics on the Internet," invited one-half talk at the Mu Alpha Theta initiation meeting, Farragut High School, Knoxville, TN, October 1998.
  • "Visual Calculus - a Report," one hour talk at the 11th International Conference onTechnology and Collegiate Mathematics, New Orleans, LA, November 1998.
  • "The Visual Calculus Project," one half hour talk at the Mid-South Instructional Technology Conference, Middle Tennessee State University, Murfreesboro, TN, March 1999
  • "The Visual Calculus Project," a fifteen minute talk in the Tennessee Showcase at the Barrett Lectures, University of Tennessee, Knoxville, TN, June 1999.
  • "POPMathematics," two invited one hour talks at the National Mu Alpha Theta Convention, Gatlinburg, TN, August 1999.
  • "Mathematics and Technology - Current Status," invited forty five minute talk at University of Tennessee, Knoxville, November 1999.
  • "Visual Calculus - A Report," invited thirty minute talk, Mathematics on the Internet Session, Math 2000 Meeting, Hamilton, Ontario, Canada, June 2000.
  • "Visual Calculus - Development and Tools," invited twenty-five minute talk, Multimedia Tools for Communicating Mathematics, Centro de Matematica e Aplicacoes Fundamentais da Universidade de Lisboa, Lisbon, Portugal, November 2000.
  • "Visual Calculus - A Report," a fifteen meeting talk in the MAA Session on Innovative Uses of the World Wide Web in Teaching Mathematics, Joint Mathematics Meetings, New Orleans, January 2001.