Formal group. In mathematics, a formal group law is (roughly speaking) a formal power series behaving as if it were the product of a Lie group. They were introduced by S. Bochner (1946). The term formal group sometimes means the same as formal group law, and sometimes means one of several generalizations.
While you can choose to earn a bachelor's degree to become a sonographer, the most common path is earning an associate degree, and it's one of the better-paying opportunities with a degree at that education level.here are a number of different ways someone can become a sonographer: 1  Certification programs for people already trained in a medical profession, such as a radiology technician; which typically take about one year to complete. 2  Associate degree programs, which typically take two years.
Explore Ultrasound Technician Degree Programs. The sonography degree that you pursue depends on your personal interests and job goals. In many cases, an Associateâs Degree is enough to secure a position in this rapidly growing field.eeting ultrasound degree requirements will ultimately prepare you to complete certification exams through the American Registry for Diagnostic Medical Sonography (ARDMS), the leading credential that hospitals and clinics consider when hiring sonographers/ultrasound technicians.