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Mathematics
Hag O'Romo's user avatar
Hag O'Romo's user avatar
Hag O'Romo's user avatar
Hag O'Romo
  • Member for 8 years, 10 months
  • Last seen more than a week ago
  • USA
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question
4
Let $f : D → D$ be analytic with $f(0) = f''(0) = 0, f'''(0) = 1$. Prove $\exists r$ independent of $f$ where $B_r(0)\subset f(D)$.
Jul 13, 2023
question
4
determine whether the fundamental group of a Mobius band glued to a torus is abelian
Jul 22
question
2
Consider $f : \mathbb{N} → \mathbb{Z}$ defined as $f (n) = \frac{(−1)^n (2n−1)+1}{4}$. Find its inverse.
Nov 23, 2015
question
2
Number of subgraphs of a triangle
Dec 14, 2018
question
2
Prove $\gcd(a+b,a-b) = \gcd(a,b)$ or $\gcd(a+b,a-b) = 2\gcd(a,b)$
Oct 22, 2019
question
2
Showing that a nonlinear functional is bounded
Jun 15, 2023
question
2
Compute double complex integral: $\int_{|\zeta|=2} \int_0^{2\pi} \frac{\zeta}{\zeta+\sin\theta} d\theta d\zeta$.
Jul 13, 2023
question
2
Visualizing $\mathbb{R}^3 / S^1 \times S^1$ ($\mathbb{R}^3$ with the torus collapsed to a point)
Jul 25
answer
2
Spivak's Calculus - don't understand lemma for theorem of limit laws
Aug 19, 2020
answer
2
Word Problem about Statistics
Aug 19, 2020