1 Any Lie group G defines an associated real Lie algebra =Lie(G). 2  The definition in general is somewhat technical, but in the case of real matrix groups, it can be formulated via the exponential map, or the matrix exponent.
Servings per Week. The American Heart Association recommends eating fatty fish, such as salmon, at least two times per week. The recommended serving size of fish is 3.5 ounces cooked or 3/4 cup of fish flaked. To reap the most health benefits from salmon, prepare it by baking, steaming or grilling.
And 6 Fish to Avoid. You probably already know that you're supposed to be eating fish twice a week. Fish are a lean, healthy source of protein -- and the oily kinds, such as salmon, tuna, sardines, etc., deliver those heart- and brain-healthy omega-3 fats you've probably also heard you should be getting in your diet. (Here are seven more of the healthiest foods you should be eating but probably aren't.)