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May
17
revised Interesting “real life” applications of serious theorems
deleted 4 characters in body
May
17
comment Deleting $n$ points from a connected space
@NielsDiepeveen If we remove one point in the center, the result is connected.
May
17
comment Deleting $n$ points from a connected space
@GrumpyParsnip It suffices to take $n=1$.
May
17
comment Deleting $n$ points from a connected space
If we remove the "each of which is homemorphic to $X$" condition, the long line is such a space.
May
16
answered Why can't you add apples and oranges, but you can multiply and divide them?
May
16
comment Area of a part of a square
@Maroon We can do a little better than that, with $L^2\in (18,26)$. It seems to me that $A$ should be unique, since choosing the central point provides two degrees of freedom while we are given three values, but I can't prove it off the top of my head.
May
16
revised Area of a part of a square
made more rigorous and formal
May
16
comment Can the norm of a non-algebraic integer be an integer?
When you say non-algebraic integer, do you mean an algebraic element of the extension which is not an algebraic integer?
May
16
comment Breaking even: is there a point where you can always profit?
@nononono $\frac{9}{2}=1+y=1+\frac{7}{2}$.
May
16
comment Conditional Random Variable and Iterated Expectation
@sandra Here $A$ is not a random variable, it is an event.
May
16
revised PUGS is a rectangle. If the equation of PU is $y=\frac{2}{3x} + 4$. What is the slope of SP?
fixed error introduced by previous edit