🌐EnglishEnglishFrançaisPortuguêsTürkçe中文日本語EntityQ3527026· pop 5· linked from 12 articlesBudan's theoremupper bound and parity of the number of real roots of a polynomial in an intervalConnectionsSturm's theoremEntityRené DescartesEntityCategoriesMathematical theoremsPolynomial factorization algorithmsReal algebraic geometry