Quadruples of orthoprojectors connected by a linear relationship

  • A. A. Yusenko Ін-т математики HAH України, Київ

Abstract

In the explicit form, we deduce formulas for all quadruples of orthoprojectors $P_1, P_2, P_3$, and $P_4$ irreducible to within unitary equivalence and connected by the linear relationship $α_1 P_1 + α_2 P_2 + α_3 P_3 + α_4 P_4 = λ I$, where $(α_1, α_2, α_3, α_4) ∈ ℝ^{+}$.
Published
25.02.2010
How to Cite
Yusenko, A. A. “Quadruples of Orthoprojectors Connected by a Linear Relationship”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 62, no. 2, Feb. 2010, pp. 255–264, https://umj.imath.kiev.ua/index.php/umj/article/view/2861.
Section
Research articles