Similar to 普遍係数定理
5項補題
Five lemma9項補題
Nine lemmaAB5 圏
AB5 categoryAnnals of Mathematics
Annals of MathematicsAxiom (数式処理システム)
Axiom (computer algebra system)CFL条件
Courant–Friedrichs–Lewy conditionInvariant basis number
Invariant basis numberTor関手
Tor functor0
0▲1 trends1
1▼-1 trends2
23
34
45
56
67
78
89
912345679
数学
Mathematics0.999...
0.999...0次元
Zero-dimensional space0の0乗
Zero to the power of zero1次元
One-dimensional space1+1
1+1+1+1+…
1 + 1 + 1 + 1 + ⋯1+2+3+4+…
1 + 2 + 3 + 4 + ⋯1+2+4+8+…
1 + 2 + 4 + 8 + ⋯