Abstract: We prove that there exist infinite families of regular bipartite Ramanujan graphs of every degree bigger than 2. We do this by proving a variant of a conjecture of Bilu and Linial about the ...

Economic growth in the Western Balkans is projected to slow to 3.0 percent in 2025, from 3.6percent in 2024, due to a continued weak external environment coupled with heightened domestic pressures in ...

The Ministry of Home Affairs (MHA), through its Indian Cyber Crime Coordination Centre (I4C), has announced the Winter Internship Programme 2025. The last date to apply is October 17, 2025. The ...

Trigonometric Functions and Complex Numbers covers the followings areas in the International Mathematical Olympiad (IMO) and other mathematical competitions. Trigonometric identity, graphs and ...

Abstract: Knowledge of lane topology is a core problem in au-tonomous driving. Aerial imagery can provide high res-olution, quickly updatable lane source data but detecting lanes from such data has so ...