🌐EnglishEnglishEspañolFrançaisPortuguêsРусский한국어日本語EntityQ4836741· pop 6· linked from 160 articlesBTZ black holeblack hole solution in 2+1 dimensional topological gravity with a negative cosmological constantConnectionsstellar populationEntityKerr metricEntityCategoriesBlack holesMathematics of general relativityQuantum gravity