Complexity and action for warped AdS black holes
Roberto Auzzi, Stefano Baiguera, Matteo Grassi, Giuseppe Nardelli and, Nicolo Zenoni

TL;DR
This paper investigates the Complexity=Action conjecture for warped AdS$_3$ black holes, finding that the action growth rate matches the product of Hawking temperature and entropy, consistent with previous volume-based results.
Contribution
It provides the first detailed analysis of the action growth rate for warped AdS$_3$ black holes, confirming the conjecture's validity in this context.
Findings
Action growth rate equals Hawking temperature times entropy
Results agree with previous Complexity=Volume calculations
Supports the universality of the Complexity=Action conjecture
Abstract
The Complexity=Action conjecture is studied for black holes in Warped AdS space, realized as solutions of Einstein gravity plus matter. The time dependence of the action of the Wheeler-DeWitt patch is investigated, both for the non-rotating and the rotating case. The asymptotic growth rate is found to be equal to the Hawking temperature times the Bekenstein-Hawking entropy; this is in agreement with a previous calculation done using the Complexity=Volume conjecture.
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