Sentence 1: In 1999 , Shelstad developed a theory of twisted endoscopy with Robert Kottwitz . In 2008 -- 9 she completed work on tempered endoscopy .
Sentence 2: In 1999 , Shelstad , together with Robert Kottwitz , developed a theory of twisted endoscopy and completed the work on tempered endoscopy in 2008 -- 9 .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?