The book Differential Invariants Under the Inversion Group was written by author George W George Walker Mullins Here you can read free online of Differential Invariants Under the Inversion Group book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Differential Invariants Under the Inversion Group a good or bad book?
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2 . 3 ••• n If, inQ, f=g=h = 0, Q has a double point at the origin and its equation becomes Q': {x^ + y^y + {ax + by)ix'' + y^) + cr^ + 2dxy + ey^ = 0. Since there are five independent constants in Q', one member of the family may have contact of order five with c at the origin P, and this curve will serve as the geometric image for the fifth derivative. Expressing the fact that a member of the family Q' may osculate c at P we have Q' subject to the five conditions 1. C+2y'd + y"e = 0, 2. (1 + ...y")a + 2/'(l + y")b + y'^d + yY'e = 0, 3. 12(1 + yy+ \2y'y"a + W + I82/V - ]h + 4y'"d+[3y"'+4yy"]e = 0, 4. 242/'2/"(l + y") + Wy'" + 32/"1a + W" + Qy'Y' + ^y'y"']h + ^^^ci + [2y'Y' + yY'']e = 0, 5. 2402/'^'"(l + 2/'^) + 1802/"^(1 + 3i/'^) + [SOi/'i/'" + 602/'y "]a + [15y^^ + 45?/'V'^ + ISOyYy'" + 452/'"]6 + 6r
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