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gr-qc2026★ 1 cited
Secular evolution of orbital parameters for general bound orbits in Kerr spacetime
Norichika Sago, Ryuichi Fujita, Soichiro Isoyama +1
We analytically derive the secular changes of the orbital parameters, i.e., energy, angular momentum, and Carter constant, for general bound orbits in Kerr spacetime, at leading or…
cs.MS2026
Acceleration of multi-component multiple-precision arithmetic with branch-free algorithms and SIMD vectorization
Tomonori Kouya
Multiple-precision floating-point branch-free algorithms can significantly accelerate multi-component arithmetic implemented by combining hardware-based binary64 and binary32, part…