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.
Education Requirements. A sonographer is required to complete at least a two-year associate s degree. However, some schools also offer a four-year Bachelor s degree in sonography, as well. Typical course work in this field of study includes anatomy, physiology, physics, and classes centered on medical and patient care.he field of sonography is an exciting career because it involves examining so many parts of the human body to ensure health and wellness within. In learning how to become a sonographer, one must keep in mind the certifications, education, and personality traits that are required to make this career choice possible.