The boundary of a convex set is always a convex curve. The intersection of all convex sets containing a given subset A of Euclidean space is called the convex hull of A. It is the smallest convex set containing A.
Rector (ecclesiastical) A rector is, in an ecclesiastical sense, a cleric who functions as an administrative leader in some Christian denominations, and in Islam. In contrast, a vicar is also a cleric but functions as an assistant and representative of an administrative leader.
1. professor-someone who is a member of the faculty at a college or university. prof. faculty, staff-the body of teachers and administrators at a school; the dean addressed the letter to the entire staff of the university. academic, faculty member, academician-an educator who works at a college or university.rofessor. n. 1. (Education) the principal lecturer or teacher in a field of learning at a university or college; a holder of a university chair. 2. (Education) US and Canadian any teacher in a university or college.