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Jul
16
reviewed Approve Counting chain maps
Jul
12
reviewed Approve Cauchy-Schwarz inequality proof (but not the usual one)
Jul
10
reviewed Approve $R^2\setminus K, K$ compact, is not simply connected
Jul
7
reviewed Edit Count the number of integer solutions of a linear equation
Jul
3
reviewed Reject Group Actions: Verify a Bijective Correspondence
Jan
19
reviewed Approve How to prove $f(c) = f(d) = 0$
Jan
18
reviewed Approve Laplace transform of $y'' + 3y' + 2y = f(t), \; y(0) = y'(0) = 0$
Jan
15
reviewed Reject Determining the sigma notation for the series: 1 + 2 - 3 + 4 - 5 + 6 - 7 + 8 - 9 . . . . .?
Jan
9
reviewed Approve How do I find which set of functions is linearly independent?
Jan
7
reviewed Approve Is time a continuous random variable?
Jan
6
reviewed Approve Solving a differential equation using Laplace transform?
Jan
6
reviewed Reject Expected value of a die when decision to role again depends on previous outcome
Jan
5
reviewed Reject Give an example of a nonempty finite set which is neither open nor closed?
Jan
4
reviewed Approve Identify Equation
Jan
3
reviewed Reject Evaluating $\int_0^\infty \frac{x\sin x}{1+x^2}$ using contour integration?
Jan
3
reviewed Approve Relation between determinant and matrix rank
Jan
3
reviewed Reject Number of factors of a big number
Jan
3
reviewed Reject Modulo of a negative number
Jan
3
reviewed Approve Number of factors of a big number
Jan
3
reviewed Reject Modulo of a negative number