2 papers
gr-qc2026
Fan-Wang type regular black holes in Quasi-Topological Gravity
Ren Tsuda, Ryotaku Suzuki, Shinya Tomizawa
We construct a class of regular black hole solutions of the Fan-Wang type within quasi-topological gravity (QTG) in arbitrary spacetime dimensions greater than four. In contrast to…
gr-qc2020
Oscillating 4-Polytopal Universe in Regge Calculus
Ren Tsuda, Takanori Fujiwara
The discretized closed Friedmann-Lemaître-Robertson-Walker (FLRW) universe with positive cosmological constant is investigated by Regge calculus. According to the Collins-Williams…