I everybody, I have to solve this exercise. I have to found two topological spaces Y1Y1, Y2Y2 such that π(Y1)=π(Y2)=(0)π(Y1)=π(Y2)=(0) but π(Y1∪Y2)≠(0)π(Y1∪Y2)≠(0). Can you help me?
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
