(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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Postcard of the Day
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Postcard of the Day
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Bow Tie Tuesday
Today I had a collar for my bow tie. It's rather more of a pain to tie one on a collar, but here 'tis: Couldn't decide which…
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