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What are some good examples of spectral sequences which degenerate after the first nontrivial differential?

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Tim Campion♦

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Consider Non-Trivial Cases

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Complex but not Symplectic

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When can a function defined on $[a, b] \cup [b, c]$ be constructively extended to a function defined on $[a, c]$?

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Do there exist nonzero identically vanishing polynomials over infinite (or characteristic zero) reduced indecomposable commutative rings?

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Finite tor dimension in Quillen's paper

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Solve for $A$ and $B$ in $AXB=Y$

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The vertices of a triangle are three random points on a unit circle. The side lengths are, in random order, $a,b,c$. Show that $P(ab>c)=\frac12$

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