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jMdA

Trained mathematician, professional programmer, amateur musician. I also have an interest in fantasy writing and foreign languages.

That seems to be about all you'd need to know!

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4 Proof for the fact that $(a,b)$ is not compact. Jan 31
4 Does the short exact sequence $0\mapsto \mathbb{Z}^k\mapsto \Gamma\mapsto \mathbb{Z}^\ell\mapsto 0$ split? Feb 5
4 The vectors $p, q, r$ and $s$ satisfy the identities $p+q+r+s = 0$, and $\|p\| = \|q\| = \|r\| = \|s\|$. Prove that $p\cdot q = r\cdot s$ Feb 15
3 Let $T,S:V \to V$ be a linear operators such that $T\circ S=T$, $S\circ T=S$ then which of these is true? Feb 6
2 Are these two definitions of base for a topology equivalent? Feb 6
2 Finding the coordinates of a point on a line closest to a given point Feb 5
2 Visual proof for $\frac{a}{b} + \frac{c}{d} = \frac{ad + bc}{bd}$ Feb 1
2 Show the graph commutes, diagonal function. Feb 2
2 Correspondence between continuous maps and convergent sequences Feb 18
2 Why is P(A |B) + P( A |B') ≠ P(A)? Feb 7
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