(a) nobody gives a damn, Lisa;
(b) phase portraits of quadratic polynomial vector fields;
(c) phase portraits of polynomially quadratic field vectors;
(d) quadratic vector portraits of topologically insignificant vector phase fields.
Anybody?
pop quiz
(a) nobody gives a damn, Lisa;
(b) phase portraits of quadratic polynomial vector fields;
(c) phase portraits of polynomially quadratic field vectors;
(d) quadratic vector portraits of topologically insignificant vector phase fields.
Anybody?
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Bow Tie Tuesday
Hey there. It's snowing in Ann Arbor today. Long slow snow of wet thick flake-clumps. I'm loving it. I went to pick up some bagels…
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Postcard of the Day
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Postcard of the Day
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