Take the 2-minute tour ×
Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It's 100% free, no registration required.

Does anyone know what $ 1_\omega v $ means where $v \in L^2((0,T) \times \Omega )$ and $\omega \subset \subset \Omega$?

It should be an indicator function of $(t,x)$, but not sure how to interpret it...

share|improve this question

1 Answer 1

up vote 0 down vote accepted

The product of $v$ for the characteristic function of $(0,T)\times\omega$?

Probably $1_{\omega}:(0,T)\times\Omega\to\mathbb{R}$ is the function defined by $$1_{\omega}(t,x)=\{1,\textrm{ for }x\in\omega, 0,\textrm{ for }x\in\Omega\setminus\omega\}.$$

share|improve this answer

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.