Sentence 1: Moulthrop began experimenting with the hypertext theory in the 1980s and has written several articles as well as many hypertext - fiction - works since then .
Sentence 2: Moulthrop began experimenting with hypertext theory in the 1980s , and has written several articles as well as authored many hypertext fiction works .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?