Introducing the inverse hoop conjecture for black holes
The Ruppin Academic Center, 40250, Emeq Hefer, Israel
2 The Hadassah Academic College, 91010, Jerusalem, Israel
Accepted: 2 December 2020
Published online: 13 December 2020
It is conjectured that stationary black holes are characterized by the inverse hoop relation , where and are respectively the black-hole surface area and the circumference length of the smallest ring that can engulf the black-hole horizon in every direction. We explicitly prove that generic Kerr–Newman–(anti)-de Sitter black holes conform to this conjectured area-circumference relation.
© The Author(s) 2020
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