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 Associates Sonography Degree is a blend of coursework with hands-on clinical rotations. Many programs will offer the opportunity to specialize in one particular area of the ultrasound profession, such as General (abdomen, obstetrics and gynecology), Vascular or Cardiac.f you would like to become a diagnostic medical sonographer or ultrasound technician, ultimately your goal is to complete and pass the ARDMS exam. While not all states require such certification, the majority of clinics and hospitals prefer candidates to hold this professional credential.