Norm

From Freepedia

Norm may mean:

• Cultural norm
• Norm (sociology)
• Norm (philosophy)
• Normative

In mathematics:

• Norm (mathematics), a map which assigns a length to vectors
  • Normed vector space
  • Matrix norm
• Field norm in algebraic number theory and Galois theory
• Reduced norm in algebra over a field theory
• The nonnegative integer function in the definition of Euclidean domain
• The product of conjugate elements of an algebraic element
• In descriptive set theory, a map from a set into the ordinals (see prewellordering)

Norm may also be:

• A statistical concept in psychometrics
• Norm Peterson, a character in the sitcom Cheers and its spin-off Norm
• Naturally Occurring Radioactive Material

See also

• Normal
• Norma
• Surface normal
• Wikipedia:wikiquette for Wikipedian norms