In my lecture notes I have found the notation $\|A\|_*$ for a matrix norm.

Do you know the name of this norm (such that I can read the definition of it), or do you even know the definition of it?

Thank you very much.

In my lecture notes, I have found the notation $\|A\|_*$ for a matrix norm.

Do you know the name of this norm (such that I can read the definition of it), or do you even know the definition of it?

Thank you very much.

In my lecture notes I have found the notation $\|A\|_*$ for a matrix norm.

Do you know the name of this norm (such that I can read the definition of it), or do you even know the definition of it?

Thank you very much.

In my lecture notes I have found the notation $\|A\|_*$ for a matrix norm.

Do you know the name of this norm (such that I can read the definition of it), or do you even know the definition of it?

Thank you very much.

In my lecture notes I have found the notation $||A||_*$ for a matrix norm

Do you know the name of this norm (such that I can read the definition of it)

  or do you even know the definition of it?

Thank you very much.

In my lecture notes I have found the notation $\|A\|_*$ for a matrix norm.

Do you know the name of this norm (such that I can read the definition of it), or do you even know the definition of it?

Thank you very much.