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2d
awarded  Custodian
2d
reviewed Reviewed Finding whether the quadrilateral is cyclic or not
2d
comment The weak-star topology is Completely Hausdorff (in particular Hausdorff).
I'd remark that "every pair of points can be separated by a continuous function" isn't quite the same as "there is a continuous function that separates every pair of points".
Oct
29
suggested rejected edit on Proving that the isomorphism is homomorphic.
Oct
26
awarded  Popular Question
Oct
12
awarded  Notable Question
Jul
2
awarded  Curious
Jun
3
awarded  Yearling
May
26
comment Why is G a cycle? Graph G with n vertices, m edges. “(∀v ∈ V(G) : δ(v) = 2 ⇒ G is Hamiltonian) is true because G is a cycle”.
Yes. See this question: math.stackexchange.com/questions/390030/…
May
26
comment Why is G a cycle? Graph G with n vertices, m edges. “(∀v ∈ V(G) : δ(v) = 2 ⇒ G is Hamiltonian) is true because G is a cycle”.
Your example fails because neither $a$ nor $c$ have degree 2.
May
23
accepted Haar measure of point sets
May
23
asked Haar measure of point sets
May
15
comment Let $f$ is a continuously differentiable function then what can we say about the function $\frac{1}{f}$ ?
The function $f(x) = x$ defined on the reals is continuously differentiable (smooth, even), but $1/f$ is not even continuous everywhere, let alone continuously differentiable.
Apr
30
comment Riemann Hypothesis Proof - legit?
The references are priceless too. There are four in total: one is a link to the Russian Wikipedia page on "Numbers", another one is a link to a page with the first 50 million prime numbers, and the last two are papers written by the author.
Mar
21
comment Norm of operator between two $L^p$ spaces?
Thanks for the reply; I made an edit to clarify what I was asking about the relation between the $|| \cdot ||_{p \to q}$ norm and the $ || \cdot ||_p$ and $ || \cdot ||_q$ norms.
Mar
21
revised Norm of operator between two $L^p$ spaces?
deleted 7 characters in body
Mar
21
asked Norm of operator between two $L^p$ spaces?
Mar
8
revised Block Diagonalisation of 4x4 Matrix
Removed representation theory tag
Mar
8
suggested approved edit on Block Diagonalisation of 4x4 Matrix
Feb
22
answered Mathematical Induction on Matrix Sequence