Do you have any recommendations in new papers today?

New submissions in gr-qc on Wed, 26 May 21
[2105.11458] Aaron Held: Invariant Renormalization-Group improvement
[2105.11509] August Geelmuyden, Sebastian Erne, Sam Patrick et al.: The sound-ring radiation of expanding vortex clusters
[2105.11511] Keagan Blanchette, Saurya Das, Saeed Rastgoo: Effective GUP-modified Raychaudhuri equation and black hole singularity: four models
[2105.11577] Robert Easton, Rodney Anderson, Martin Lo: An elementary solution to Lambert's problem
[2105.11615] Adam D. Helfer: Fluxes and angular momentum
[2105.11623] Adam D. Helfer: Center-of-mass ambiguity for Bondi-Metzner-Sachs charges
[2105.11690] Jafar Khodagholizadeh, Amir H. Abbassi, Ali Vahedi et al.: Gravitational Waves in a Closed Spacetime via Deviation Equation
[2105.11691] I. Prasetyo, H. S. Ramadhan, A. Sulaksono: An Ultra-compact Object from Semi-classical Gravity
[2105.11770] Qingyu Gan, Peng Wang, Houwen Wu et al.: Photon Ring and Observational Appearance of a Hairy Black Hole
[2105.11785] Rikpratik Sengupta, Shounak Ghosh, Mehedi Kalam et al.: Wormhole on the Brane with Ordinary Matter: The Broader View
[2105.11817] Demetrios Kotopoulis, Charis Anastopoulos: Thermodynamics and phase transitions of black holes in contact with a gravitating heat bath
[2105.11847] Saraswati Devi, Sayan Chakrabarti, Bibhas Ranjan Majhi: Shadow of quantum extended Kruskal black hole and its super-radiance property
[2105.11935] V.K. Oikonomou, Ifigeneia Giannakoudi, Achilles Gitsis et al.: Rescaled Einstein-Hilbert Gravity: Inflation and the Swampland Criteria
[2105.11958] Christine C. Dantas: Expanding and Self-Organizing 2D Universe Models Emerging from Frozen Trivalent Spin Networks
[2105.11965] Rabin Banerjee: Covariant Formulation of the Newton-Hooke Particle and its Canonical Analysis
[2105.11975] G.G.L. Nashed, S. Capozziello: Anisotropic compact stars in $f(R)$ gravity
[2105.12057] Rajibul Shaikh, Suvankar Paul, Pritam Banerjee et al.: Shadows and thin accretion disk images of the $γ$-metric
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