References

INVESTIGATIONS OF THE ESSENTIAL SPECTRUM OF A MODEL OPERATOR ASSOCIATED TO A SYSTEM OF THREE PARTICLES ON A LATTICE


[1] S. Albeverio, S. N. Lakaev and Z. I. Muminov, On the structure of the essential spectrum for the three-particle Schrödinger operators on lattices, Math. Nachr. 280(7) (2007), 699-716.

[2] S. N. Lakaev and M. É. Muminov, Essential and discrete spectra of the three-particle Schrödinger operator on a lattices, Theor. Math. Phys. 135(3) (2003), 849-871.

[3] S. Albeverio, S. N. Lakaev and R. Kh. Djumanova, The essential and discrete spectrum of a model operator associated to a system of three identical quantum particles, Rep. Math. Phys. 63(3) (2009), 359-380.

[4] T. Kh. Rasulov, Essential spectrum of a model operator associated with a three particle system on a lattice, Theor. Math. Phys. 166(1) (2011), 81-93.