I think (fractal-analysis) and (fractals) could be merged. The first one is barely used & almost all of it's question has the second one as a duplicated tag.
A recent spate of vague questions under tag philosophy suggests that it may be worth clarifying the purpose of the tag by ruling out a certain type of questions explicitly. These are questions that offer "vague philosophizing" rather than posing a question in the philosophy of mathematics. Such a...
I have always tended to assume that any of my more philosophical questions about mathematics would off-topic for Math.SE. As such, I have tended to restrict (or try to restrict) my questions to those of a more purely technical nature. However, when posting my most recent question I realized that ...
Suppose that the real polynomial below $$p(x)=\sum_{k=0}^{2n}\alpha_{k}x^k$$ is a palindromic polynomial of even degree; that is, $p_{2n-k}=p_k$ for $0\leq k\leq 2n$ and $\alpha_0\neq 0$. Is it true that the combination of Chebyshev polynomials (of the second kind) below $$\sum_{k=0}^{2n} \...
I haven't studied any functional analysis yet. My linear algebra is pretty good, I think. Consider the tuple $(H, I, \phi)$ where $H$ is a Hilbert space, $I$ is an abstract set, and $\phi:I \to H$ is a injective mapping whose image is an unconditional Schauder basis of $H$. We can make any eleme...
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