Entries from 2022-09-24 to 1 day

logical fallacy of Euler's product formula

ζ(s) =1+1/2s+13s+… 1/2sζ(s) =1/2s+14s+… (1−1/2s)ζ(s) =1+1/3s+… (1−1/2s)(1−1/3s)ζ(s) =1+1/45s+… ・ ・ ζ(s) ≠ Π1/1−1/ps T.theodor 2022.9.30.

Three-dimensional space et sphere

Two-dimensional space,Three-dimensional space and circle,sphere ハ、異次元ヲ形成スル。 T.theodor 2022.9.24.

function

Δy/Δxf(x) > 1 f(x) > x Δy/Δxf(x) < 1 f(x) < x T.theodor 2022.9.24.

function

Δy/Δxf(x) > 1 f(x) > x Δy/Δxf(x) < 1 f(x) < x T.theodor 2022.9.24.