Selected publications by Giuseppe Longo, after 1990 available as .dvi, .ps (some gzipped) or .pdf files by ftp and http 1 - Mathematical Logic and Computer Science. 2 - Cognition and Foundations of Mathematical Knowledge. 3 - Theoretical Biology. 4 - Interfaces Computability, Physics and Biology. 5 - Minima Philosophica. 6 - Minima Economica. 7 - 1980's: Some of the