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Posts by Richard‭

5 posts

Score Age

71%

+3 −0

Q&A Why $\gamma\cdot\operatorname{grad}u<0$ in the Theorem? (Nirenberg academic paper)

1 answer · posted 3mo ago by Richard‭ · edited 2mo ago by Snoopy‭

Question geometry functional-analysis partial-differential-equations

71%

+3 −0

Q&A How to prove that solutions of semilinear differential equations is even function?

0 answers · posted 2mo ago by Richard‭

Question calculus partial-differential-equations

66%

+2 −0

Q&A Reflection in the plane with polar coordinates

1 answer · posted 3mo ago by Richard‭ · last activity 3mo ago by Richard‭

Question geometry coordinate-geometry linear-algebra polar

60%

+1 −0

Q&A Complex functions and inner product $\langle \frac{\partial f}{\partial z} , g\rangle $

2 answers · posted 3mo ago by Richard‭ · last activity 3mo ago by Richard‭

Question complex-analysis summation integral functional-analysis

50%

+0 −0

Q&A Complex functions and inner product $\langle \frac{\partial f}{\partial z} , g\rangle $

posted 3mo ago by Richard‭ · edited 3mo ago by Richard‭

Answer