,
()

, ,
,
, ,
vanishing  positive  

vanishing  
positive 
,
and ( )
,
()
()
,
,
,
A spacetime in supergeometry, used in some formulations of supergravity (see at D'AuriaFre formulation of supergravity) and as target space for super$p$brane sigmamodels (see at GreenSchwarz action functional).
Section 7.4 of
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