# About

Claes Johnson is professor of applied mathematics at the Royal Institute of Technology, Stockholm, has written more than 100 articles and 10 books in the general area of computational mathematics and science, and has 11 students and 24 descendants.

**Contact**: claesjohnson@gmail.com

**The World as Computation** presents a philosophy of mathematics and science based on viewing physics as a form of analog computation which can be simulated by digital computation using analog physics hardware. Different aspects of the philosophy are presented under the headlines of the main menu.

## Dr.Lange, Wolfgang

Mr. Prof. Johnson,

you wrote in ambsrelativity.pdf in capture 3.2, p. 34, that the Maxwell equitations are not invariant to the Galileian tranformation. Why?

Sinceraly

Wolfgang Lange