2020. Vol. 17. No. 1. Part 2

• Victor Lezhnev celebrates his 80th anniversary

  6-7

Mathematics

• Harmonic Smoothing of Digital Images

  8-15

  Vasilenko V.V., Safronov A.P., Smyslov A.A., Tseplayev D.P., Markovsky A.N.

• On the Numerical Solution of the Fedgolm Equation of the 1st Kind

  16-19

  Drobotenko M.I., Vetoshkin P.V.

• Closedness of the Biharmonic System of Basic Potentials

  20-26

  Markovsky A.N.

Mechanics

• The Problem of Plates Hit with a Water Layer and the Method of Point Potentials

  27-30

  Vetoshkin P.V., Drobotenko M.I.

• Features of the Plane Wave Propagating Through a Layered Phonon Crystal with Multiple Periodic Arrays of Cracks

  31-41

  Golub M.V., Fomenko S.I., Doroshenko O.V.

• Circulation Flow around a Thin Plate

  42-47

  Zolotuhina V.G., Bunyakin A.V., Markovsky A.N.

• Energy Streamlines and the Power Density Vector Accompanying Wave Excitation by a Piezoelectric Transducer in a Layered Phononic Crystal

  48-60

  Fomenko S.I., Golub M.V., Shpak A.N., Glinkova S.A.

• Algorithm for Moving Point Vortices in a Bounded Area

  61-68

  Chernaya A.S., Hanazaryan A.D., Markovsky A.N.

Physics

• Computational Method for Searching Singular Points on the Plane of Complex Time for Research of Determinated-Chaotic Systems (Using the Example of E. Lorenz System)

  69-80

  Bunyakin A.V., Pshikova I.S.

• Mathematical Modelling of Aorto-Mesenteric "Tweezers", Affecting the Relationship Between Dehydroepiandrostenedione and Testosterone in Persons with Varicocele

  81-91

  Tonyan A.G., Tatevosyan A.S., Bunyakin A.V.