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University of Florence


1h
answered Mathematical proof for order of operations
1h
comment Lines and angles
Please insert a verb in the first sentence
Jul
26
awarded  Nice Answer
Jul
22
revised Can a convex polygon inside a square with edge length 1 have a perimeter > 4?
added 414 characters in body
Jul
22
revised Can a convex polygon inside a square with edge length 1 have a perimeter > 4?
edited body
Jul
22
comment Can a convex polygon inside a square with edge length 1 have a perimeter > 4?
The projection map is the map which sends every point of the plane into the closest point on the convex set.
Jul
22
answered Can a convex polygon inside a square with edge length 1 have a perimeter > 4?
Jul
22
revised Significance of starting the Fibonacci sequence with 0, 1…
typo
Jul
21
answered How find all possible lengths of AD Quadrilateral ABCD?
Jul
21
answered Can a countably infinite set be dense in $\mathbb{R}^2$?
Jul
20
comment (Dis)continuity of function in $R^2$
You have to carefully identify what is the boundary of the set $\{(x,y) \colon x^2>2+x \wedge y<6 \}$. In this case you find that this boundary is composed by four half-lines.
Jul
20
answered Find range of values
Jul
20
answered Are there any well known mathematicians who published very little?
Jul
20
answered (Dis)continuity of function in $R^2$
Jul
20
comment (Dis)continuity of function in $R^2$
Ok, so $\wedge$ is an and not a min as I thought!... :-)
Jul
20
comment (Dis)continuity of function in $R^2$
I find it strange to write something like $A > B < C$... are you sure?
Jul
20
revised Minima point is a solution point
added 306 characters in body
Jul
20
revised Minima point is a solution point
added 5 characters in body
Jul
20
answered Minima point is a solution point
Jul
14
comment What will be probability of this problem?
@Did: you are right. Hope it is corrected now.