Invited addresses

Invited (one-hour) addresses

58.    "Initial and final digit sequences in powers of integers," (with Dr. Dan Biebighauser) Concordia student colloquium, Apr. 13, 2010.

57.

 "The 10^{1000}th digit," Mathematics Club, University of Minnesota at Morris, Oct. 12, 2004
56. "The 10^{1000}th digit,"  Chemistry-Physics Colloquium, Concordia College, Feb. 12, 2004.
55. "Three-part partition games on intervals," Tri-College Mathematics Colloquium, MSUM, Spring 2001.
54. "Some new games on intervals," Tri-College Mathematics Colloquium, MSU, Feb. 1, 1996.
53. "Some new games on intervals," semi-plenary lecture at joint meeting of DGOR, GMÖOR, and ÖGOR (three German and Austrian national societies for mathematical economics and operations research), University of Passau, Germany, Sept. 1995.
52. "Silverman's game on intervals," Department of Economics Colloquium, University of Graz, May 3, 1994.
51. "Silvermansspiel auf Intervallen," Universität Wien, Mar. 9, 1994.
50. "Computer help in finding proof of nonsingularity," Tri-College Mathematics Colloquium, NDSU, Feb. 10, 1993.
49. "Silvermanspiele: Eine Klasse unendlicher Zweipersonen-Nullsummenspiele,"  Institut für Höhere Studien, Wien  (Institute for Advanced Studies, Vienna), Dec. 12, 1990.
48. "Mathematical olympiads," Concordia College Women's Study Club, Nov. 21, 1989.
47. "A new theorem on reduction of games to bounded sets," Tri-College Mathematics Colloquium, NDSU, Jan. 18, 1989.
46. "Silvermanspiele: Eine besondere Klasse von Zweipersonen-Nullsummenspiele," (Silverman games: a special class of two-person zero-sum games), Social Sciences Faculty Colloquium, Universität Graz, Apr. 24, 1988
45. "Stichprobegröße bei dem verallgemeinerten Geburtstagsproblem," (Sample size in the generalized birthday problem) , Ökonomische Universität Wien Statistics Department Colloquium, Mar. 1988.
44. "Diskrete Silvermanspiele," Überblick und neue Fortschritte," Technische Universität Wien, Mar. 1988.
43. "Diskrete Silvermanspiele: Überblick und neue Fortschritte," Mathematics Colloquium, Technische Universität Graz, Nov. 19, 1987.
42. "Silverman games on discrete disjoint sets with penalty >= 1: Complete classification and solution," Tri-College Mathematics Colloquium, NDSU, Jan 13, 1987
41. "Silverman games," Red River Valley Section ASA, NDSU, Oct. 8, 1986.
40. Address to Honors Convocation, Concordia College, April 1986.
39. "Discrete nonsymmetric Silverman games," Tri-College Mathematics Colloquium, NDSU, Feb. 21, 1984.
38. "Nonsymmetric Silverman games on discrete sets," Bush Lecture, Concordia College, Feb. 14, 1984.
37. "Silverman games: an overview and some special cases," Tri-College Mathematics Colloquium, MSU, Feb. 18, 1982.
36. "Sums of block-alternating harmonic series," Tri-College Mathematics Colloquium, NDSU, Jan.16, 1979.
35. "What is the solution of a bimatrix game?," No. Central Section MAA, Oct. 25, 1974
34. "Ordered rings with least positive element," Tri-College Mathematics Colloquium, NDSU, Oct. 1972.
33. "Werner's maximality theorem," Tri-College Mathematics Colloquium, NDSU, Nov. 17, 1970.
32. "Irrational numbers and powers of integers," Pi Mu Epsilon. NDSU, Apr. 23, 1969.
31. "On counting infinite sets," Faculty Lecturer Series, Concordia College, May(?), 1966
30. "How to count an infinite set," Dakota Wesleyan University, May 10, 1966 (MAA Visiting Lecturer).
29. "A problem in the sequence of digits," Dakota Wesleyan University, May 11, 1966 (MAA Visiting Lecturer).
28. "A theorem is born," Dakota Wesleyan University, May 10, 1966 (MAA Visiting Lecturer).
27. "Some undergraduate research projects in mathematics," Dakota Wesleyan University, May 10, 1966 (MAA Visiting Lecturer).
26. "A problem in the sequence of digits," Northern Michigan University, Apr. 26, 1966 (MAA Visiting Lecturer).
25. "Undergraduate research in mathematics," Northern Michigan University, Apr. 26, 1966 (MAA Visiting Lecturer).
24. "A problem in the sequence of digits," De Pauw University, Apr. 5, 1966 (MAA Visiting Lecturer).
23. "A theorem is born," De Pauw University, Apr. 5, 1966 (MAA Visiting Lecturer).
22. "How to count an infinite set," De Pauw University, Apr. 4, 1966 (MAA Visiting Lecturer).
21. "The birthday coincidence problem," Dana College, Mar. 11, 1966 (MAA Visiting Lecturer).
20. "On counting infinite sets," Dana College, Mar. 11, 1966 (MAA Visiting Lecturer).
19. "A theorem is born," Briar Cliff College, Feb. 10, 1966 (MAA Visiting Lecturer).
18. Some undergraduate research projects in mathematics," Briar Cliff College, Feb. 10, 1966 (MAA Visiting Lecturer).
17. "Counting infinite sets," Briar Cliff College, Feb. 10, 1966 (MAA Visiting Lecturer).
16. "Some functions with surprising continuity and differentiability properties," St. Johns University, Jan. 13, 1966 (MAA Visiting Lecturer).
15. "On counting infinite sets," St. Johns University, Jan 13, 1966 (MAA Visiting Lecturer).
14. "The 10!" " "-th digit," Carleton College, Jan. 11, 1966 (MAA Visiting Lecturer)
13. "Some functions with surprising continuity and differentiability properties," Carleton College, Jan. 11, 1966 (MAA Visiting Lecturer).
12. "A theorem is born," Jamestown College, Dec. 7, 1965 (MAA Visiting Lecturer).
11. "Undergraduate research projects in mathematics," Jamestown College, Dec. 7, 1965 (MAA Visiting Lecturer).
10. "Undergraduate research projects in mathematics," Minot State University, Feb. 8, 1965 (MAA Visiting Lecturer).
 9. "Counting: The finite and transfinite cardinal numbers," Minot State University, Feb. 8, 1965 (MAA Visiting Lecturer).
 8. "A problem in the sequence of digits," Minot State University, Feb. 8, 1965. (MAA Visiting Lecturer)
 7. "The 10!" " "-th digit," (The 10 to the 1000th digit)  Science Division Seminar, Concordia College, Oct. 1963.
 6. "Bases in Banach spaces," Nebraska Section MAA, May 1961.
 5. "Banach algebras and their algebraic extensions," Mathematics Department Colloquium, University of Nebraska (Lincoln), Feb. 1961.
 4. "The Birthday Problem, the Univac, and the theorem, Science Faculty Seminar, Concordia College, 1959.
 3. "Algebraic extensions of Banach algebras," Mathematics Department Colloquium, University of Minnesota (Minneapolis), May, 1958.
 2. "What is topology?," Science Faculty Seminar, Concordia College, 1957
 1. "Invariant measure on topological groups," Minnesota Section MAA, October 1956.

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