defined as elements of Grassmann algebra (an algebra with anticom­ muting generators). The derivatives of these elements with respect to anticommuting generators were defined according to algebraic laws, and nothing like Newton's...

N atur non facit saltus? This book is devoted to the fundamental problem which arises contin­ uously in the process of the human investigation of reality: the role of a mathematical apparatus in a description of reality. We pay our main...

Numbers ... , natural, rational, real, complex, p-adic .... What do you know about p-adic numbers? Probably, you have never used any p-adic (nonrational) number before now. I was in the same situation few years ago. p-adic numbers were...

"Ubiquitous Quantum Structure: From Psychology to Finance" von Andrei Khrennikov untersucht die Anwendung quantenmechanischer Prinzipien außerhalb der traditionellen physikalischen Kontexte. Das Buch erforscht, wie Konzepte der...