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1d
reviewed Close Ice Cream Sundae
1d
reviewed Close rearranging differential equations
1d
reviewed Close The integer part of $x+1$ is the integer part of $x$ plus $1$
1d
reviewed Close Resolved! Thank you!
1d
reviewed Close Suppose$V_1,\ldots,V_m$ are vector spaces. Prove these two vector spaces are isomorphic
1d
reviewed Close Show that subspace metric induces subspace topology
1d
reviewed Close under what conditions, a function on $CB(X)$, space of closed and bounded sets,
May
17
comment Intuition behind uniformly continuous functions
How does this heuristic work for $\sin(1/(x-1))$?
May
14
answered About window function
May
11
comment Continuity of $\frac{1}{|x|}$ at $x= 0$
You only need continuity at a single point and only get that. Your answer is totally, btw…
May
11
comment Continuity of $\frac{1}{|x|}$ at $x= 0$
More precisely: if $f$ is continuous at $x$ and $f(x)\neq 0$, then $1/f$ is continuous at $x$.
May
11
reviewed Reject Continuity of $\frac{1}{|x|}$ at $x= 0$
Apr
29
awarded  Informed
Apr
27
answered Jacobi's Derivative of the Determinant
Apr
25
answered Uniformly convex and strictly convex
Apr
24
revised Fourier transform of function composition
deleted 1 character in body
Apr
23
awarded  Enlightened
Apr
23
awarded  Nice Answer
Apr
23
reviewed Close what is the definition of Mathematics ?
Apr
22
answered Problem on multiplication of distributions with test functions