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
01
12
23
34
45
56
67
78
89
912345679
数学
Mathematics▼-1 trends0.999...
0.999...▼-3 trends0次元
Zero-dimensional space0の0乗
Zero to the power of zero▼-1 trends1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 + ⋯