indefinite metric sentence in Hindi

Examples

1. Its definition uses the indefinite metric tensor of Minkowski space, instead of the Euclidean dot product of "'R " "'3 ":
2. In the 1960s Naimark's interests focused more intensively on the representation theory of groups and algebras in spaces with an indefinite metric, which became the subject of his last ( 1976 ) monograph, " The theory of group representations ".