nilpotent

a. [数] 幂(为)零的

发音

US /nɪlˈpəʊtənt/

词形变化

nilpotents 复数 nilpotents

释义与例句

n.
  1. 1.

    A nilpotent element.

    数学
adj.
  1. 1.

    Such that, for some positive integer n, xⁿ = 0.

    数学

    If a square matrix is upper triangular and has zeros on the diagonal, then it is nilpotent (under the usual matrix multiplication).

  2. 2.

    In any of several technical senses: behaving analogously to nilpotent ring elements as an element of some other algebraic structure; composed of elements displaying such behavior.

    Belonging to the derived algebra of L and such that the adjoint action of x is nilpotent (as a linear transformation on L).

    数学
  3. 3.

    In any of several technical senses: behaving analogously to nilpotent ring elements as an element of some other algebraic structure; composed of elements displaying such behavior.

    Such that the lower central series terminates.

    数学
  4. 4.

    In any of several technical senses: behaving analogously to nilpotent ring elements as an element of some other algebraic structure; composed of elements displaying such behavior.

    Admitting a central series of finite length.

    数学
  5. 5.

    In any of several technical senses: behaving analogously to nilpotent ring elements as an element of some other algebraic structure; composed of elements displaying such behavior.

    Such that there exists a natural number k with Iᵏ = 0.

    数学
  6. 6.

    In any of several technical senses: behaving analogously to nilpotent ring elements as an element of some other algebraic structure; composed of elements displaying such behavior.

    Containing only nilpotent elements.

    数学
  7. 7.

    In any of several technical senses: behaving analogously to nilpotent ring elements as an element of some other algebraic structure; composed of elements displaying such behavior.

    Such that there exists some natural number n (called the index of the algebra) such that all products (of elements in the given algebra) of length n are zero.

    数学

词源

From nil (“not any”) + potent (“having power”) with literal meaning “having zero power” - bearing Latin roots nil and potens. Coined in 1870, along with idempotent, by American mathematician Benjamin Peirce to describe elements of associative algebras.

来源:wiktionary