Funktsional. Anal. i Prilozhen., 2000, Volume 34, Issue 4

JOURNALS // Funktsional'nyi Analiz i ego Prilozheniya // Archive

2000, Volume 34, Issue 4

	Operator Ergodic Theorems for Actions of Free Semigroups and Groups A. I. Bufetov	1
	Theta Function Solutions of the Schlesinger System and the Ernst Equation D. A. Korotkin, V. B. Matveev	18
	A Generalization of the Second Quantization Method to the Case of Special Tensor Products of Fock Spaces and Quantization of Free Energy V. P. Maslov	35
	Special Points of Surfaces in the Three-Dimensional Projective Space D. A. Panov	49
	Lagrange Intersections in a Symplectic Space P. E. Pushkar'	64

Brief communications
	Conditions for the Similarity of All Minimal Passive Scattering Systems with Given Scattering Matrix D. Z. Arov	71
	One More Kind of the Classical Yang–Baxter Equation I. Z. Golubchik, V. V. Sokolov	75
	A Problem of Integral Geometry Related to a Triple of Grassmann Manifolds M. I. Graev	78
	Holomorphic Functions of a Basis of a Nilpotent Lie Algebra A. A. Dosiev	82
	The Negative Spectrum of a Class of Two-Dimensional Schrödinger Operators with Potentials Depending Only on Radius A. Laptev	85
	Completeness Theorems for Systems of Differential Equations M. M. Malamud, L. L. Oridoroga	88
	When a Sum of Idempotents or Projections is a Multiple of the Identity V. I. Rabanovich, Yu. S. Samoilenko	91