Audiovisual material includes interviews of Aigner, recordings relating to his exhibitions, the documentary "Life with the Camera," and Aigner's film about educator and missionary Frank Laubach.

Our book was supposed to appear in March 1998 as a present to Erd ̋os’ 85th birthday. With Paul’s unfortunate death in the summer of 1996, he is not listed as a co-author. Instead this book is …

For a general background on combinatorics the books by Aigner, Lovász, and van Lint–Wilson are recommended. Lovász’s book, in particular, is a veritable treasure trove of combi-natorial problems, …

Snowmaking in Austria Greener and more sustainable than assumed? Empirical data: Water – Energy – CO2 Emissions Paper for PhD – University of Innsbruck (AUT) – Preliminary findings Günther …

Our book was supposed to appear in March 1998 as a present to Erd ̋os’ 85th birthday. With Paul’s unfortunate death in the summer of 1996, he is not listed as a co-author. Instead this book is …

Using an innovative method for scenario identification, our approach allows for a simple but relatively precise assessment of marginal and even non-marginal portfolio changes.

Dennis J. Aigner and Glen G. Cain are both Pro- fessors of Econormics at the University of Wvisconsin. They express their gratitude for the extensive com- ments of Arthur S. Goldberger.