👉 In mathematics, a pseudocentrum is a subset of a topological space that has the same number of points as the space itself. This means that any two points in the set are connected by a path in the space. The concept was introduced by János Bolyai and Nikolai Ivanovich Luzin, who studied this phenomenon in 1842. The term "pseudocentrum" is derived from the Greek word "pseude" (meaning false