Show this form is locally exact and not globally exact.
33691
Confusion about a particular differential form being exact?
71479
Is there some elementary proof of invariance of domain?
45971
Complete local ring which is not complete valuation ring
48780
How t show $f=g$ almost everywhere
51048
How can I show that if the second fundamental form of a surface is identically equal to zero, then the surface is a plane?
152725
Why does $S^n$ satisfy the local $n$-slice condition? (From Lee's Smooth Manifolds)
22279
Local and Global Symmetries
50551
How do you validate that two math expressions are equal?
127622
Does there exist a $1$-form $\alpha$ with $d\alpha = \omega$?
147914
Closed image of locally compact space
158443
How to show that an estimator is consistent?
10209
How to show the spacetime interval is invariant in general?
83676
Condition for continuity of bilinear form
129025
Quotient ring local if Ring is local
151358
Continuous image of a locally connected space which is not locally connected
134
Prove that the expression is a perfect square
104148
Showing the norm' is non-negative