The Palestinians have their own map of what their future state will look like. It includes Gaza, the West Bank and all of what is present day Israel. It is displayed openly on all of the PA's promotional materials. It is the only map that they will even consider. That is why their demands are "non-negotiable" and why Abbas can not make the slightest concession.
At least 13 killed in bomb explosion suburb of Baghdad (Reuters)
from the article: Before Abbas recognizes the Jewish state, Israel must define it