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pseudoreflection

pseudoreflection noun: an invertible linear transformation of a finite-dimensional vector space such that it is not the identity transformation, has a finite (multiplicative) order, and fixes a hyperplane.

Noun

pseudoreflection (plural pseudoreflections)

  1. An invertible linear transformation of a finite-dimensional vector space such that it is not the identity transformation, has a finite (multiplicative) order, and fixes a hyperplane.
    • That is, t′x+y=0 is the pseudo-reflection of tx+y=0 if the ideal points (ρ′,1,0),(ρ,1,0) on the lines are a pair in the involution ρρ′=-h.1967, A Background (natural, Synthetic and Algebraic) to Geometry, CUP Archive, page 293
    • A linear transformation g∈BL(V) is a pseudoreflection if rank (g-I)=1.1985, Susan Montgomery, Group Actions on Rings, American Mathematical Soc., page 104

Forms of pseudoreflection

pluralpseudoreflections

Origin of pseudoreflection

From pseudo- + reflection.

Questions about pseudoreflection

What does pseudoreflection mean?
Pseudoreflection means an invertible linear transformation of a finite-dimensional vector space such that it is not the identity transformation, has a finite (multiplicative) order, and fixes a hyperplane.
What part of speech is pseudoreflection?
Pseudoreflection is a noun.
What is the plural of pseudoreflection?
The plural of pseudoreflection is pseudoreflections.

Words near pseudoreflection in the dictionary

  1. pseudoreduction
  2. pseudoreductions
  3. pseudoreference
  4. pseudoreferendum
  5. pseudoreferendums
  6. pseudoreflection
  7. pseudoreflections
  8. pseudoreflexive
  9. pseudoreform
  10. pseudoreforms
  11. pseudorelational

Source and license

Adapted from Wiktionary: pseudoreflection (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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