Hill discriminants and spectra of periodic Jacobi matrices

V. A. Marchenko
2014 St. Petersburg Mathematical Journal  
The spectra of periodic Jacobi matrices are described completely without use of conformal mappings. C(z, 0) = S(z, 1) = 0, C(z, 1) = S(z, 0) = 1, 2010 Mathematics Subject Classification. Primary 47B36.
doi:10.1090/s1061-0022-2014-01289-7 fatcat:epwynuf66na2vgmrb4tvzlznem