status of Hemimastodon crepusculi; (Pilgrim): the eternal problem of homology and of convergence. 1988. Tassy, P. 1988. Le statut systématique de l’espèce
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表示離散化的點數。為了方便起見,有需要證明下式成立: N → ∞ , Problem B λ N → Problem B λ {\displaystyle N\to \infty ,\quad {\text{Problem }}B^{\lambda N}\to {\text{Problem }}B^{\lambda }}
records" are total stopping time records.) Barina, David. Convergence verification of the Collatz problem. The Journal of Supercomputing. 2020, 77 (3): 2681–2688