# José Carlos

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bio website location Brazil age 26 member for 1 year, 6 months seen Feb 12 at 16:25 profile views 120

My name is José Carlos. I am doctors student and my main study is partial differential equations.

# 176 Actions

 Jan27 comment Laplacian identity. Thank you very much for help me. Jan27 comment Laplacian identity. Elegant solution. Thank you very much! Jan27 accepted Laplacian identity. Jan27 comment Laplacian identity. We have a general product rule for the Laplacian: $$\Delta(f.g)=f\Delta g+2\nabla f.\nabla g+g\Delta f.$$ Jan27 revised Laplacian identity. added 22 characters in body Jan27 comment Laplacian identity. I read that this is a general identity! $f$ and $g$ would be $C^\infty$ functions. Jan27 asked Laplacian identity. Oct1 awarded Yearling Jun17 comment Proving unique weak solution. Thank you for this observations. You are right. I knew that the proof of this inequality is non-trivial, but as I dont know to prove this, I wrote just what I did in my exercise. Jun16 answered Proving unique weak solution. Apr21 awarded Benefactor Apr20 comment Question about convergence and integration. Thank you for the answer. The answer helped me a lot. Apr20 accepted Question about convergence and integration. Apr20 revised Question about convergence and integration. deleted 1 characters in body Apr17 comment Question about convergence and integration. I'm sorry, I edited the question. You are right, we need the hypothesis that $u(0)=0$. Apr17 revised Question about convergence and integration. added 20 characters in body Apr16 awarded Nice Answer Apr11 asked Question about convergence and integration. Mar15 accepted Question about limit! Mar15 comment Question about limit! Thank you, I didn't think in change of variables :)