Abstract:
The condition of being locally scalar is imposed on graph (or quiver) representations in the category of Hilbert spaces. Under this condition, reflection and Coxeter functors are constructed in categories of such representations and used to prove an analog of the Gabriel theorem.
Citation:
S. A. Kruglyak, A. V. Roiter, “Locally Scalar Graph Representations in the Category of Hilbert Spaces”, Funktsional. Anal. i Prilozhen., 39:2 (2005), 13–30; Funct. Anal. Appl., 39:2 (2005), 91–105