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• Improper integrals, an excursion to classical calculus

  303-317

  Herbert Zeitler

  Views:

  8

  The aim of this paper is to show in what way we investigated improper integrals in the classroom. It was very important to calculate explicitly a lot of examples. Doing so, a criterion was developed. With step curves and infinite series we had a quick look at the mathematical background. The shot in the universe showed that improper integrals are needed in physics.

• Miscellaneous topics in finite geometry: in memory of Professor Dr. Ferenc Kárteszi (1907-1989)

  255-275

  Herbert Zeitler

  Views:

  10

  The article starts with a short introduction to finite (K,L)-geometry. Then a lot of counting propositions is given and proved. Finally the famous theorem of Miquel is investigated in classical and in finite geometry. At the end of the article there is a call to all readers: Don't forget (finite) geometry and don't forget the outstanding geometer Prof. Dr. F. Kárteszi!