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.

Why, in functional analysis, is so important to calculate best constant in an embedding inequality?

Cross-posted to :"http://mathoverflow.net/questions/161483/understanding-reasons-for-best-constants-in-inequalities".

share|improve this question
Why do we want a job with the highest salary? –  vadim123 Mar 26 at 14:39
I don't get the sarcasm; the more I get paid the more I can eat, while finding the best constant doesn't give anything! –  Felice Iandoli Mar 26 at 14:41
It's not sarcasm. Even if you make enough to fill your belly you still want more money. –  vadim123 Mar 26 at 14:53

Your Answer


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

Browse other questions tagged or ask your own question.