论文标题
双面复发自我双重空间
Two-sided conformally recurrent self-dual spaces
论文作者
论文摘要
考虑了双面复发的4维自动偶联空间。结果表明，此类空间配备了无效弦线的一致性。给出了弱无弱的空间的一般结构。最后，提出了Petrov-Penrose型$ [D] X [ - ] $空间的一般指标。
Two-sided conformally recurrent 4-dimensional self-dual spaces are considered. It is shown that such spaces are equipped with nonexpanding congruences of null strings. The general structure of weak nonexpanding hyperheavenly spaces is given. Finally, the general metrics of Petrov-Penrose type $[D] x [-]$ spaces are presented.
