Education
He studied and worked at the Moscow State University, where his advisor was Alexander Kronrod, and later Ivan Petrovsky.
He studied and worked at the Moscow State University, where his advisor was Alexander Kronrod, and later Ivan Petrovsky.
Landis was born in Kharkiv, Ukrainian Soviet Socialist Republic, Soviet Union. In 1946, together with Kronrod, he rediscovered Sard"s lemma unknown in Russia at the time. Later he worked on uniqueness theorems for elliptic and parabolic differential equations, Harnack inequalities, and Phragmén–Lindelöf type theorems.
With Georgy Adelson-Velsky, he invented the AVL tree datastructure (where "AVL" stands for Adelson-Velsky Landis).
He died in Moscow. His students include Yulij Ilyashenko.
