On polynomials in two projections

Research output: Contribution to journalArticlepeer-review


Conditions are established on a polynomial f in two variables under which the equality f(P1, P2) = 0 for two orthogonal projections P1, P2 is possible only if P1 and P2 commute.

Original languageEnglish (US)
Pages (from-to)154-158
Number of pages5
JournalElectronic Journal of Linear Algebra
StatePublished - 2006


  • Orthogonal projections
  • Polynomial equations

ASJC Scopus subject areas

  • Algebra and Number Theory

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