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1d
reviewed Edit Calculate the Laplace Transform :
1d
revised Calculate the Laplace Transform :
fixed latex
May
3
awarded  Custodian
May
3
reviewed Looks OK How to write lagrangian terms related to only one variable in a semidefinite constraint?
May
3
reviewed Approve What is the flaw in the proof that the sum of all positive integers equals to $\frac{-1}{12}$?
Apr
29
reviewed No Action Needed Functional equation.
Apr
29
reviewed No Action Needed Quadratic inequality (Sign Reversal?)
Apr
29
reviewed No Action Needed Is this group given presentation isomorphic to $\mathbb{Z}_2$, and why?
Apr
29
reviewed Approve Proof by strong induction combinatorics problem
Apr
29
reviewed Approve Does this Condition on Exit Times imply $X_t$ is a Local Supermartingale?
Apr
29
reviewed No Action Needed Prove that if $A$, $B$, and $C$ are sets then $(A - B) \cup (A - C) = A - (B \cap C)$
Apr
25
revised Equivalent definition of harmonic functions
Removed unrelated harmonic-analysis tag
Apr
25
comment Prove by mathematical induction: $n! < n^n$ for $n\geq2$
Hint: $(n+1)^{(n+1)} = (n+1)(n+1)^n \geq (n+1)n^n$.
Apr
24
reviewed Approve Solving proportions with multiple variables.
Apr
24
comment Bounds on $L^2$ and $L^{\infty}$ norms in terms of $H^1$-seminorms for functions attaining a zero in a domain.
There are similar Poincare inequalities in higher dimensions that apply to functions that have trace $0$: en.wikipedia.org/wiki/Poincar%C3%A9_inequality.
Apr
24
answered Proving $\|[b,T](f)\|_{p}\le C\|b\|_{BMO(\mathbb{R}^{n})}\|f\|_{p}$ using the Fefferman-Stein inequality
Apr
17
reviewed Approve How can I get f(x) from its Maclaurin series?
Apr
17
reviewed Approve Can someone explain how the cartesian equation is formed?
Apr
17
reviewed Approve Finding the missing values in a trigonometric theoretical scenario? Rocket launch?
Apr
17
reviewed Approve Finding polynomial in modular? // $(n!)+1$ prime