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Nov
24
reviewed Approve Let $f:A \rightarrow B$ and C ⊂A. Define f[C]={b∈B: b=f(a) for some a∈C}. Prove or disprove each of the statement
Apr
14
reviewed Reject How to evaluate the length of the perimeter of a low eccentricity ellipse?
Mar
22
reviewed Approve Is there any formula for number of divisors of $a \times b$?
Dec
22
reviewed Approve Continuous Linear Functional on $\ell^{\infty}$
Mar
7
reviewed Looks OK Galois relations between subfields
Feb
28
reviewed Reviewed 20 identical balls, 4 distinct boxes
Feb
27
reviewed Approve Linear Algebra subspace questions
Feb
10
reviewed Approve Why is this not a Lattice?
Feb
2
reviewed Satisfactory Planar and non-planar graphs, and Kuratowski's Theorem
Feb
2
reviewed Satisfactory Uniformization Theorem for compact surface
Feb
2
reviewed Excellent Find the coordinates of a point on a circle
Feb
2
reviewed Excellent Limit Computation of $(e^x+x)^{1/x}$ as $x$ approaches zero
Feb
2
reviewed Satisfactory A question on complex numbers
Feb
2
reviewed Satisfactory An entire function with two periods
Feb
2
reviewed Satisfactory Congruence relationship used for primitive residue classes modulo n result
Feb
2
reviewed Satisfactory Empirical distribution vs. the true one: How fast $KL( \hat{P}_n || Q)$ converges to $KL( P || Q)$?
Feb
2
reviewed Satisfactory Logic about systems?
Feb
2
reviewed Approve Prove: $(p \lor q) \land (\lnot p \lor \lnot q) \Rightarrow (p \land \lnot q) \lor (\lnot p \land q)$ using natural deduction.
Jan
17
reviewed No Action Needed An upper bound?
Dec
31
reviewed Reviewed Cardinality of a power set