Hypothetical relation to quantum gravity (black hole entropy, holographic principle): Shira Chapman, Giuseppe Policastro, Quantum Computational Complexity – From Quantum Information to Black Holes and Back, The European Physical Journal C 82 128 (2022) [arXiv:2110.14672, doi:10.1140/epjc/s10052-022-10037-1] Shira Chapman, Holographic Complexity and de Sitter Space, talk at Strings 2022 [indico:4940811, slides, video]