PostsCommentsPayoutszelyanchuk (18)in #undefined • 6 years agoGreenspan and the unintended making of the Great RecessionWe will soon mark the 10th anniversary of the collapse of Lehman Brothers — the event that more than any other sparked…zelyanchuk (18)in #creativity • 6 years agoMathematical thinkingThe definition of mathematical thinking is this: mathematical thinking is abstract theoretical thinking, whose objects…