SUBJECTS
February 21, 2019
THE FORMULA FOR THE LOCAL RING AT A POINT OF A PROJECTIVE VARIETY (MATHEMATICS - BASIC ALGEBRAIC)
THE BIRTH OF LOCAL RINGS IN GEOMETRY AND IN ALGEBRA (MATHEMATICS - BASIC ALGEBRAIC)
February 20, 2019
DOING CALCULUS WITHOUT LIMITS IN GEOMETRY (MATHEMATICS - BASIC ALGEBRAIC)
ADDING A VARIABLE IS UNDONE BY HOMOGENOUS LOCALIZATION (MATHEMATICS - BASIC ALGEBRAIC)
TRANSLATING HOMOGENEOUS LOCALISATION INTO GEOMETRY AND BACK (MATHEMATICS - BASIC ALGEBRAIC)
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