relとは 意味・読み方・使い方

前置詞

rel

1. (mathematics) Abbreviation of relative to.
   • 1994, N[ikita] Netsvetaev, “Diffeomorphism Criteria for Simply Connected Even-Dimensional Manifolds”, in Oleg Viro, editor, Topology of Manifolds and Varieties (Advances in Soviet Mathematics [series] 18), American Mathematical Society, →ISBN, page 237:

     Since ${\displaystyle M_{0}}$ and ${\displaystyle M_{1}}$ are cobordant rel boundary and ${\displaystyle f_{0},f_{1}}$ are n-connected, the number ${\displaystyle \delta :={\frac {1}{2}}(\mathrm {rk} H_{n}M_{0}-\mathrm {rk} H_{n}M_{1})}$ is a nonnnegative integer.

   • 1997, Paul Selick, Introduction to Homotopy Theory (Fields Institute Monographs), American Mathematical Society, →ISBN, page 15:

     The following notations are in common use: ${\displaystyle H:f\simeq g}$ (rel A) means that H is a homotopy rel A from f to g....

   • 2002, Allen Hatcher, Algebraic Topology‎^[1], Cambridge, →ISBN, page 355:

     Then in ${\displaystyle n\geq n'}$, there is a map ${\displaystyle h:Z\to Z'}$ such that ${\displaystyle h|A=g}$ and ${\displaystyle gf\simeq f'h}$ rel A, so the diagram above is commutative up to homotopy rel A.

別の表記

• -erel

形容詞

rel. (not comparable)

1. (grammar) Abbreviation of relative.

   cluichigedar = 3rd sg. pres. rel. of cluichigidir

   Cluichigedar is [the] third-person singular present relative [form] of cluichigidir.