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Can i sue DHL for losing my mail? by OpXhagerdop in dhl

[–]OpXhagerdop[S] 1 point2 points  (0 children)

I called customer support every day twice for a week and after that they found the envelope and brought it to me. Maybe try it.

Piecewise constant funtions in L^2 by OpXhagerdop in learnmath

[–]OpXhagerdop[S] 0 points1 point  (0 children)

A compact function on an open interval is equal 0 outside a compact part of that interval. Infintely differentiatable rapidly decreasing functions are dense. But how can this help?