Hagen von Eitzen
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 May 3 answered Are 0 and -1 the only rational periodic solutions of $z_{n}\equiv z_{n-1}^{2}+c$? May 3 comment Are 0 and -1 the only rational periodic solutions of $z_{n}\equiv z_{n-1}^{2}+c$? Do you want periodic or eventually periodic? May 3 comment How can i prove a closed ball is the closure of a open ball? The statement is not true in general metric spaces, so you may want to mention your spaces of interest ... May 3 comment Constructing a 15+ vertex graph with specific conditions. If the minimum degree equals 3, you cannot have an Eulerian circle, only an Eulerian path May 3 comment Constructing a 15+ vertex graph with specific conditions. N.B. 2-connected means that the removal of 1 vertex does not disconnect the graph May 3 awarded inequality May 3 comment How is the shape of a quadratic Bézier curve affected by the anchor points being equidistant or different distances from the control point? As you speak of the control point, I assume you mean a quadratic Bézier curve. In that case the curve is a parabola tangent to the lines connecting anchor and control and relocating the control point (and/or the anchor points) causes an affine transformation of that parabola ... May 2 comment How to show $\frac{19}{7} \ln(x+1)$ for any $x \in (0,1)$ May 2 comment How to show \$\frac{19}{7}