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herb steinberg

90 yrs. old B.A. Cornell U. 1950 M.A. Yale U. 1951 Ph.D. Yale U. 1955

(math. major for all degrees)

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14 Convergence of $\sum_{n}\frac{q_n}{n}$, where $(q_n)$ enumerates $\mathbb{Q}\cap[0,1]$? Sep 24 '20
8 The integral of a function multiplied with an unbounded function converges if the product is a bounded function Feb 4 '19
7 Probability that the ball drawn from $n$th urn is white Jan 1 '18
6 Show that $S_n=0$ for infinitely many $n$ Oct 1 '18
6 Proof that any number is equal to $1$ Jul 8 '20
5 maximum and minimum value of $\frac{x^2+y^2}{x^2+xy+4y^2}$ Jun 13 '19
5 Why $\{ \lambda x + (1-\lambda){y}\;\lvert\; \lambda \in [0,1] \}$ represents the line segment between $x,y$? Nov 16 '19
5 Methods to derive a closed form for $I_n=\int_0^\infty \frac{\ln^n(x+1)-\ln^n(x)}{x+1}dx$ May 2 '19
5 Definition of $\binom{\frac{1}{2}}{1}$? Nov 16 '18
4 Computing $\lim_{s \to \infty} \int_0^1 \left|\cos(sx)\right| \, dx$ Aug 18 '18
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