- #1
seydunas
- 39
- 0
Hi
i want to solve a problem about topology or analysis: Let U and V be open sets in R^n, i want to to show their dot product is open in R.
Tahnk you
i want to solve a problem about topology or analysis: Let U and V be open sets in R^n, i want to to show their dot product is open in R.
Tahnk you