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Indeks kritichnoyi tochki x displaystyle x dlya funkciyi F x displaystyle F x viznachenoyi na mnogovidi M nazivayetsya maksimalna rozmirnist pidprostoriv dotichnogo rozsharuvannya T x M displaystyle T x M na yakih gessian d 2 F x displaystyle d 2 F x negativno viznachenij Inshimi slovami indeks kritichnoyi tochki dorivnyuye chislu negativnih kvadrativ gessiana pislya privedennya d 2 F x displaystyle d 2 F x do diagonalnogo viglyadu Div takozh red Kritichna tochka matematika Tochka rivnovagiLiteratura red Dubrovin B A Novikov S P Fomenko A T Sovremennaya geometriya Metody i prilozheniya nedostupne posilannya z lyutogo 2019 2 e izd pererab M Nauka Gl red fiz mat lit 1986 760 s Otrimano z https uk wikipedia org w index php title Indeks kritichnoyi tochki amp oldid 39998712