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.
Ultra sound tech education. It takes two years to become an ultrasound technician. You will need an associateâs degree and then will need a certification or license depending on your state.You do not have to study sonography to get this job, though.Many sonographers graduate with nursing degrees or start as radiologic technologists.t takes two years to become an ultrasound technician. You will need an associateâs degree and then will need a certification or license depending on your state. You do not have to study sonography to get this job, though. Many sonographers graduate with nursing degrees or start as radiologic technologists.