The question of representation of an even number as a sum of two simple terms.

Studied in 1955–1960 years in the Physics and Mathematics Department of the Leninabad State Pedagogical Institute. He studied at the graduate school in 1961–1963 at the Institute of Mathematics of the Academy of Sciences UzSSR specialty — the theory of numbers. Under the supervision of the supervisor of D.Sc. Professor. Romanov N. working on a Ph.D. thesis. However, due to the death of the supervisor switched to the theory of filtration, and under the leadership of D.Sc. Professor. Abutaliev E. master's thesis. Over the entire period of scientific activity has published over 50 scientific and scientific-methodical works. Author of 4 textbooks for high schools and colleges.

1. Roishev A.R., “O predstavlenii chisel chistymi kvadratichnymi formami”, Doklady Akademii nauk UzSSR, 1972, № 2, 8–11  
2. Roishev A.R., “Ob additivnykh svoistvakh bez kvadratnykh chisel”, Izvestiya Akademii nauk TadzhSSR, 1:47 (1973), 23–26  

• A. R. Beruni Tashkent Polytechnical Institute