Background
He was born in 1886 in Samokov and died in 1963 at the age of 77.
He was born in 1886 in Samokov and died in 1963 at the age of 77.
He graduated from Sofia University in June 1908, with an honors degree in mathematics and physics.
His main contributions are in the areas of real and complex analysis, number theory, differential equations, elementary mathematics and some work on the arithmetical properties of infinite series. The National Gymnasium of Natural Sciences and Mathematics "Academician Lyubomir Chakalov" is named after him.
In 1925, he received a doctoral degree in mathematics from the University of Naples defending a thesis (Le equazioni di Riccati) about Riccati equations, having as advisor Ernesto Pascal.
Bulgarian Academy of Sciences]
Lubomir Chakalov was a member of the Royal Czechoslovakian Academy of Sciences, Warsaw Academy of Sciences, and a permanent member of the Bulgarian Academy of Sciences since 1930.