Mathematics

• O. V. Germider, V. N. Popov
  On the method of solving nonlinear Fredholm integral equation of the second kind with piecewise-smooth kernels11-24
• A. V. Kondrateva, M. I. Kuznetsov
  Fundamental representations of orthogonal Lie algebra and new simple subalgebras of nonalternating Hamiltonian Lie algebras25-33
• A. V. Litavrin
  On some universal criterion for a fixed point34-48
• V. O. Lukashchuk, S. Yu. Lukashchuk
  Group classification of nonlinear time-fractional dual-phase-lag heat equation with a small parameter49-68
• S. V. Sidorov, G. V. Utkin
  On the Similarity of Upper Triangular Nilpotent Matrices of the 4th and the 5th Orders to a Generalized Jordan Block over the Ring of Integers69-80
• D. L. Stupin
  The Krzyz conjecture and convex univalent functions81-96