COUNTEREXAMPLES IN TOPOLOGICAL HOMOLOGY

COUNTEREXAMPLES IN TOPOLOGICAL HOMOLOGY

PROBLEMS SOLUTIONS
TH1. A unital commutative Banach algebra with a maximal ideal M of codimension 1 and a Banach A-module X such that H2(A,X) = 0 but H2(M,X) 0. TH1.dvi
TH1.htm
TH1.ps
TH1.pdf
TH2. A non-split short complex of Banach spaces whose dual splits. TH2.dvi
TH2.htm
TH2.ps
TH2.pdf
TH3. A weakly amenable commutative Banach algebra which is not amenable. TH3.dvi
TH3.htm
TH3.ps
TH3.pdf
TH4. A derivation on an algebra which is not inner. TH4.dvi
TH4.htm
TH4.ps
TH4.pdf
TH5. A closed unbounded *-derivation on a C*-algebra A. TH5.dvi
TH5.htm
TH5.ps
TH5.pdf
TH6. A Banach algebra for which every linear operator is a derivation. TH6.dvi
TH6.htm
TH6.ps
TH6.pdf
TH7. A non-closable unbounded *-derivation. TH7.dvi
TH7.htm
TH7.ps
TH7.pdf
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