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.
An associate's degree in medical sonography requires two years of general education and clinical sonography classes. Sonography coursework covers the various specialties of sonography and pairs in-class work with a clinical practicum to train you in applying your knowledge to real-world situations.achelor's in Medical Sonography. Bachelor's-level students are usually required to complete general education requirements and introductory-level healthcare courses during the first two years of the degree program.