What has the author Shri Parmatmane Namah written?

There is no known author named "Shri Parmatmane Namah". This phrase is actually a common Sanskrit mantra that translates to "Salutations to the Supreme Soul" or "I bow to the Supreme Being."

It's often used as an invocation or a way to begin a spiritual practice.

It's possible you've encountered this phrase in a book or text, but it's highly unlikely it's the name of an author. If you can provide more context or details about the source of the phrase, it may be possible to help you identify the actual author.