Complex Quantum Systems and the Quantum Universe Publications COMPUTATIONAL COMPLEXITY V. Balasubramanian, M. DeCross, A. Kar, Y. Li and O. Parrikar, Complexity growth in integrable and chaotic models, JHEP 07, 011 (2021) [arXiv:2101.02209]. P.Caputa, J.M. Magan and D. Patramanis, Geometry of Krylov Complexity, [arXiv:2109.03824]. R. Bassirian, A. Bouland, B. Fefferman, S. Gunn, A Tal. On Certified Randomness from Quantum Advantage Experiments. [arXiv:2111.14846]. A. Bouland, T. Giurgica-Tiron. Efficient Universal Quantum Compilation: An Inverse-free Solovay-Kitaev Algorithm. [arXiv:2112.02040]. V. Balasubramanian, A. Kar, Y. (Cathy) Li and O. Parrikar. Quantum Error Correction in the Black Hole Interior. [arXiv:2203.01961]. V. Balasubramanian, P. Caputa, J. Magan and Q. Wu. Quantum chaos and the complexity of spread of states. [arXiv:2202.06957 ]. A. Deshpande, P. Niroula, O. Shtanko, A.V. Gorshkov, B. Fefferman and M.J. Gullans,`Tight bounds on the convergence of noisy random circuits to the uniform distribution, ' [arXiv:2112.00716 [quant-ph]]. Y. Liu, M. Otten, R. Bassirianjahromi, L. Jiang and B. Fefferman, Benchmarking near-term quantum computers via random circuit sampling,' [arXiv:2105.05232 [quant-ph]]. C. Oh, Y. Lim, Y. Wong, B. Fefferman and L. Jiang, Quantum-inspired classical algorithm for molecular vibronic spectra, [arXiv:2202.01861 [quant-ph]]. OPEN QUANTUM SYSTEMS T. He, R. Loganayagam, M. Rangamani and J. Virrueta, An effective description of momentum diffusion in a charged plasma from holography, [arXiv:2108.03244]. C.K.Andersen, A. Kamal, N.A. Masluk, I.M. Pop, A. Blais, M.H. Devoret. Quantum Versus Classical Switching Dynamics of Driven Dissipative Kerr Resonator. Phys. Rev. Applied 13, 04017 (2020) [arXiv:1906.10022] U. Akhouri, S. Shandera and G. Yesmurzayeva, Increasing extractable work in small qubit landscapes. [arXiv:2203.10928 [quant-ph]]. S. Prudhoe and S. Shandera, Classifying the non-Markovian, non-time-local, and entangling dynamics of an open quantum system. [arXiv:2201.07080 [quant-ph]]. C.K.Andersen, A. Kamal, N.A. Masluk, I.M. Pop, A. Blais, M.H. Devoret. Quantum Versus Classical Switching Dynamics of Driven Dissipative Kerr Resonator. Phys. Rev. Applied 13, 04017 (2020) [arXiv:1906.10022] S. Chaykov, N. Agarwal, S. Bahrami and R. Holman, Loop corrections in Minkowski spacetime away from equilibrium 1: Late-time resummations. [arXiv:2206.11288 [hep-th]]. S. Chaykov, N. Agarwal, S. Bahrami and R. Holman, Loop corrections in Minkowski spacetime away from equilibrium 2: Finite-time results. [arXiv:2206.11289 [hep-th]]. T. Brown, , E. Doucet, D. Ristè, G. Ribeill, K. Cicak, J. Aumentado, R. Simmonds, L. Govia, A. Kamal, and L. Ranzani. Trade off-Free Entanglement Stabilization in a Superconducting Qutrit-Qubit System arXiv preprint arXiv:2107.13579 (2021). T. He, R. Loganayagam, M. Rangamani and J. Virrueta, An effective description of momentum diffusion in a charged plasma from holography. JHEP textbf{01}, 145 (2022) [arXiv:2108.03244 [hep-th]]. T. He, R. Loganayagam, M. Rangamani, A. Sivakumar and J. Virrueta, The timbre of Hawking gravitons: an effective description of energy transport from holography, [arXiv:2202.04079 [hep-th]]. NON-SPATIAL ENTANGLEMENT H. Hampapura, J. Harper, and A. Lawrence, Target space entanglement in matrix models, JHEP 10 (2021) 231, arxiv:2012.15683 C. Kow, Z. Xiao, A. Metelmann, and A. Kamal. Strong-coupling diagnostics for multimode open systems. Phys. Rev. Research 3, 023093 (2021) [arXiv:2007.15037] BLACK HOLES AND THE EMERGENCE OF SPACETIME V. Balasubramanian, B. Craps, M. Khramtsov and E. Shaghoulian, Submerging islands through thermalization, JHEP 10, 048 (2021) [arXiv:2107.14746]. D. Harlow and E. Shaghoulian, Global symmetry, Euclidean gravity, and the black hole information problem, JHEP 04, 175 (2021) [arXiv:2010.10539]. V. Balasubramanian, A. Kar and T. Ugajin, Entanglement between two gravitating universes, [arXiv:2104.13383]. H. Liu and S. Vardhan. Entanglement entropies of equilibrated pure states in quantum many-body systems and gravity. P. R. X. Quantum. 2, 010344 (2021) [arXiv:2008.01089 [hep-th]]. S. Vardhan, J. Kudler-Flam, H. Shapourian and H. Liu. Bound entanglement in thermalized states and black hole radiation. [arXiv:2110.02959 [hep-th]]. S. Leutheusser and H. Liu. Causal connectability between quantum systems and the black hole interior in holographic duality. [arXiv:2110.05497 [hep-th]]. S. Vardhan, J. Kudler-Flam, H. Shapourian and H. Liu. Mixed-state entanglement and information recovery in thermalized states and evaporating black holes. [arXiv:2112.00020 [hep-th]] T. Faulkner, T. Hartman, M. Headrick, M. Rangamani and B. Swingle,. Snowmass white paper: Quantum information in quantum field theory and quantum gravity. [arXiv:2203.07117 [hep-th]].. S. Leutheusser and H. Liu. Emergent times in holographic duality. [arXiv:2112.12156 [hep-th]]. G. Grimaldi, J. Hernandez and R.C. Myers. Quantum extremal islands made easy. Part IV. Massive black holes on the brane. [arXiv:2202.00679 [hep-th]] K. Kawabata, T. Nishioka, Y. Okuyama and K. Watanabe. Snowmass white paper: Replica wormholes and capacity of entanglement [arXiv:2105.08396 [hep-th]].. R. Bousso, X. Dong, N. Engelhardt, T. Faulkner, T. Hartman, S.H. Shenker and D. Stanford. Snowmass White Paper: Quantum Aspects of Black Holes and the Emergence of Spacetime. [arXiv:2201.03096 [hep-th]]. S. Agrawal, O. DeWolfe, J. Levin and G. Smith, Phase transitions of correlations in black hole geometries/ Phys. Rev. D 105, no.10, 106002 (2022) doi:10.1103/PhysRevD.105.106002. [ arXiv:2112.09704 ] J. Chandra and T. Hartman, Coarse graining pure states in AdS/CFT. [arXiv:2206.03414 [hep-th]]. J. Chandra, S. Collier, T. Hartman and A. Maloney, Semiclassical 3D gravity as an average of large-c CFTs. [arXiv:2203.06511 [hep-th]]. N. Engelhardt, G. Penington and A. Shahbazi-Moghaddam, Finding pythons in unexpected places, Class. Quant. Grav. textbf{39}, no.9, 094002 (2022) [arXiv:2105.09316 [hep-th]]. C. Akers, N. Engelhardt, D. Harlow, G. Penington and S. Vardhan, The black hole interior from non-isometric codes and complexity, [arXiv:2207.06536 [hep-th]]. THE COSMOS E. Shaghoulian, The central dogma and cosmological horizons, [arXiv:2110.13210]. D. Harlow and E. Shaghoulian, Euclidean gravity and holography, Int.J.Mod.Phys.D (2021) 2141005 E. Casali, D. Marolf, H. Maxfield and M. Rangamani, Baby Universes and Worldline Field Theories, [arXiv:2101.12221]. A. Levine and E. Shaghoulian, Encoding beyond cosmological horizons in de Sitter JT gravity. [arXiv:2204.08503 [hep-th]]. E. Shaghoulian and L. Susskind, Entanglement in De Sitter Space. [arXiv:2201.03603 [hep-th]]. R. Brito, S. Chakrabarti, S. Clesse, C. Dvorkin, J. Garcia-Bellido, J.Meyers, K.K.Y. Ng, A.L. Miller, S. Shandera and L. Sun, Snowmass2021 Cosmic Frontier White Paper: Probing dark matter with small-scale astrophysical observations. [arXiv:2203.15954 [hep-ph]]. FOUNDATIONS & TRACTABLE MODELS OF COMPUTATION AND INFORMATION J.M. Magan, Proof of the universal density of charged states in QFT, [arXiv:2111.02418]. H. Casini and J.M. Magan, On completeness and generalized symmetries in quantum field theory, [arXiv:2110.11358]. H. Casini, J.M. Magan and P.J. Martinez, Entropic order parameters in weakly coupled gauge theories, [arXiv:2110.02980]. H. Casini, M. Huerta, J.M. Magan and D. Pontello, Entropic order parameters for the phases of QFT, JHEP 04, 277 (2021) [arXiv:2008.11748]. H. Hampapura, A. Lawrence, and S. Stanojevic, Phase Transitions in the Rényi entropies of a 2+1-d large-N interacting vector model, Physical Review B100 (2019) 13, 134412, arxiv:1811.04109 E. Rosenberg, P. Ginsparg, P. McMahon, Experimental error mitigation using linear rescaling for variational quantum eigensolving with up to 20 qubits, [arXiv:2106.01264 ]. D. Radicevic, The Ultraviolet Structure of Quantum Field Theories. Part 2: What is Quantum Field Theory?, [arXiv:2105.12147]. D. Radicevic, The Ultraviolet Structure of Quantum Field Theories. Part 3: Gauge Theories. [arXiv:2105.12751]. D. Radicevic, Confinement and Flux Attachment, [arXiv:2110.10169]. J. Harper, Perfect tensor hyperthreads, [arXiv:2205.01140 ]. J. Harper,Hyperthreads in holographic spacetimes, [arXiv:2107.10276 ]. N. Bao, J. Harper and G.N. Remmen, Holevo information of black hole mesostates, Phys. Rev. D 105, no.2, 026010 (2022) [arXiv:2103.06888 ]. E. Rosenberg, P. Ginsparg and P.L. McMahon, Experimental error mitigation using linear rescaling for variational quantum eigensolving with up to 20 qubits. [arXiv:2106.01264 [quant-ph]] V. Benedetti, H. Casini and J.M. Magan, Generalized symmetries and Noether's theorem in QFT. [arXiv:2205.03412 [hep-th]]. V. Benedetti, H. Casini and J.M. Magan, Generalized symmetries of the graviton. JHEP 05, 045 (2022) [arXiv:2111.12089 [hep-th]]. M. Blake, Y. Gu, S.A. Hartnoll, H. Liu, A. Lucas, K. Rajagopal, B. Swingle and B. Yoshida, Snowmass White Paper: New ideas for many-body quantum systems from string theory and black holes. [arXiv:2203.04718 [hep-th]]. T. Zhou and A.W. Harrow, Maximal entanglement velocity implies dual unitarity. [arXiv:2204.10341 [quant-ph]]. D. Harlow and H. Ooguri, A universal formula for the density of states in theories with finite-group symmetry, Class. Quant. Grav. 39, no.13, 134003 (2022) [arXiv:2109.03838 [hep-th]]. D. Harlow, B. Heidenreich, M. Reece and T. Rudelius, The Weak Gravity Conjecture: A Review. [arXiv:2201.08380 [hep-th]]. S. Hernandez-Cuenca, V.E. Hubeny and M. Rota, The holographic entropy cone from marginal independence, [arXiv:2204.00075 [hep-th]]. C.M. Chang, S. Colin-Ellerin, C. Peng and M. Rangamani, Disordered Vector Models: From Higher Spins to Incipient Strings, Phys. Rev. Lett. 129, no.1, 011603 (2022) [arXiv:2112.09157 [hep-th]].