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zbMath1157.55010MaRDI QIDQ3431928

Nodar Berikashvili

Publication date: 13 April 2007

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

cohomology obstruction homotopy \(k\)-invariant cochain operation

Mathematics Subject Classification ID

Obstruction theory in algebraic topology (55S35) Postnikov systems, (k)-invariants (55S45) Hopf invariants (55Q25) Secondary and higher cohomology operations in algebraic topology (55S20) Classification of mappings in algebraic topology (55S37)

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