CONFORMAL EINSTEIN-SPACES
We study conformal transformations in four-dimensional manifolds. In particular, we present a new set of two necessary and sufficient conditions for a space to be conformal to an Einstein space. The first condition defines the class of spaces conformal to C spaces, whereas the last one (the vanishin...
Главные авторы: | , , |
---|---|
Формат: | Journal article |
Язык: | English |
Опубликовано: |
Kluwer Academic Publishers-Plenum Publishers
1985
|