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Citations since 2017
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Sam Lesser has earned a reputation for both asking sharp questions and thinking creatively to answer them. His insights in the fields of mechanical engineering, applied mechanics and business have been sought out at the University of Pennsylvania and beyond by teachers, peers and beyond the university campus by a reputable mathematics journal.
The synthetic (as opposed to analytic) definition of a parabola is that a point on is at equal distances from a fixed point (the focus) and a fixed line (the directrix). Let have center and radius and let be the line parallel to on the other side of at distance from . Consider a circle of radius and center that is tangent to both and . Then and th...