shuhalo
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 Mar7 revised pseudoinverse under change of norm complete rewrite Mar7 accepted What can be said about the minimizer of $\| b - A x \| ^2+ \| x \|^2$? Mar7 asked pseudoinverse under change of norm Mar7 asked What can be said about the minimizer of $\| b - A x \| ^2+ \| x \|^2$? Mar6 asked Mappings preserving convex polyhedra Mar4 comment An variation of “Lk” in simplicial complexes @StefanH.: Yes, thanks. Mar4 revised An variation of “Lk” in simplicial complexes edited body Mar4 asked An variation of “Lk” in simplicial complexes Feb23 awarded Popular Question Feb13 comment How can not-equals be expressed as an inequality for a linear programming model It is intutive it does not work, because polyhedrons are convex and closed, while not-equals correspond to non-convex open regions. Feb13 asked fundamental theorem of linear inequalities Feb1 accepted Expansion of $x^{-1/2}$ at $0$ Feb1 revised Expansion of $x^{-1/2}$ at $0$ clarification Feb1 asked Expansion of $x^{-1/2}$ at $0$ Jan29 comment Approaches to integrate $\int_0^1 \frac{x}{\sqrt{a+bx+cx^2}} dx$ Thanks, that got me on the right track. Jan29 asked Approaches to integrate $\int_0^1 \frac{x}{\sqrt{a+bx+cx^2}} dx$ Jan28 accepted If A $\subset S^n$ has spherical diameter < $\pi$, then $S^n - A$ contains a closed semisphere. Jan27 comment If A $\subset S^n$ has spherical diameter < $\pi$, then $S^n - A$ contains a closed semisphere. The original statement was blatantly wrong. I have editted the question into what I actually meant. Jan27 revised If A $\subset S^n$ has spherical diameter < $\pi$, then $S^n - A$ contains a closed semisphere. corrected question Jan25 asked If A $\subset S^n$ has spherical diameter < $\pi$, then $S^n - A$ contains a closed semisphere.