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University of Florence


Mar
29
revised Normal vector of $\Gamma \times \mathbb{R}^+$ where $\Gamma$ is compact hypersurface
added 389 characters in body
Mar
29
comment Denseness of a set, whose complement is known to be dense.
@ellya: the closure of a set cannot be larger than the ambient space. If you consider $X$ as a topological space, then the closure of $U$ is $X$.
Mar
29
answered Normal vector of $\Gamma \times \mathbb{R}^+$ where $\Gamma$ is compact hypersurface
Mar
29
answered Why is the cos, sin definition of the unit circle true?
Mar
29
reviewed Approve suggested edit on How to find this angle?
Mar
29
answered If a sequence has limit, have another two limit?
Mar
29
revised Denseness of a set, whose complement is known to be dense.
added 275 characters in body
Mar
29
answered characteristic curves tangent and gradient
Mar
29
revised characteristic curves tangent and gradient
langle, rangle
Mar
29
answered Denseness of a set, whose complement is known to be dense.
Mar
28
answered Partial differentiability and continuity for functions of several variables
Mar
26
revised About the hyperplane conjecture.
deleted 275 characters in body
Mar
26
comment About the hyperplane conjecture.
you are right... I remove that part.
Mar
26
revised About the hyperplane conjecture.
added 298 characters in body
Mar
26
answered About the hyperplane conjecture.
Mar
26
comment Difference between postulates, axioms, and theorems?
Proposition are all chess position in the metaphore, comprising position that cannot be reached in a real game. In mathematics they are all possibile statements that you can formulate, including false ones.
Mar
26
answered Difference between postulates, axioms, and theorems?
Mar
26
answered Why are any two of $k$, $6k+1$, $8k+1$, $24k+1$ for $k\in\{2, 3, 4, 5, \ldots\}$ are pairwise coprime?
Mar
26
revised What is solution the of $\sin x=x$ where $ x>0$
edited tags
Mar
26
answered What is solution the of $\sin x=x$ where $ x>0$