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Jul 16, 2018 at 22:16 vote accept Ju Sun
Jul 16, 2018 at 20:48 answer added Fedor Petrov timeline score: 2
Jul 16, 2018 at 20:23 comment added Ju Sun @FedorPetrov Exactly!
Jul 16, 2018 at 20:22 comment added Fedor Petrov you mean that we choose a coordinate 2-plane $\Omega$ by all 3 possible ways and $u_{\Omega}$ is a projection of $u$ onto $\Omega$?
S Jul 16, 2018 at 20:12 history edited Ju Sun CC BY-SA 4.0
tags changed + minor English
S Jul 16, 2018 at 20:12 history suggested Amir Sagiv CC BY-SA 4.0
tags changed + minor English
Jul 16, 2018 at 20:10 comment added Ju Sun @AmirSagiv The positive orthant. Edited, thanks!
Jul 16, 2018 at 20:01 comment added Amir Sagiv What is $\mathbb{R}_{++}$?
Jul 16, 2018 at 20:01 review Suggested edits
S Jul 16, 2018 at 20:12
Jul 16, 2018 at 19:55 review First posts
Jul 16, 2018 at 20:01
Jul 16, 2018 at 19:50 history asked Ju Sun CC BY-SA 4.0