[求助] 请教一个数学符号的含义 已有1人参与

3楼: Originally posted by zaq123321 at 2017-09-23 10:11:11
L2 is the function space whose element's square is integrable. H1 is a sobolev space, basically the function and it's first order weak derivative are in L2.
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6楼: Originally posted by zaq123321 at 2017-09-24 10:04:50
1. The first and the second are the same, i.e. L2. The third one, I'm not sure, whether it means the absolute value function of the second order derivative is in L2.
2. H1 is both, since it's comple ...