Mathematik-Online problems: Problem 49: Relationship Determinant and Inverse

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	Mathematik-Online problems:
	Problem 49: Relationship Determinant and Inverse

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Proof: The inverse of an $n\times n$ -matrix

with integral entries has integral entries too, if and only if ${\mathrm{det}}(B)=1$ or ${\mathrm{det}}(B)=-1$ .

(Authors: Kimmerle/Roggenkamp/Höfert)

Solution:

automatisch erstellt am 14. 10. 2004