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- Whitehead_problem abstract "In group theory, a branch of abstract algebra, the Whitehead problem is the following question:Is every abelian group A with Ext1(A, Z) = 0 a free abelian group?Shelah (1974) proved that Whitehead's problem is undecidable within standard ZFC set theory.".
- Whitehead_problem wikiPageID "212619".
- Whitehead_problem wikiPageRevisionID "576367497".
- Whitehead_problem author "Eklof, P.C.".
- Whitehead_problem authorlink "Saharon Shelah".
- Whitehead_problem first "Saharon".
- Whitehead_problem hasPhotoCollection Whitehead_problem.
- Whitehead_problem id "W/w110030".
- Whitehead_problem last "Shelah".
- Whitehead_problem title "Whitehead problem".
- Whitehead_problem txt "yes".
- Whitehead_problem year "1974".
- Whitehead_problem year "1977".
- Whitehead_problem year "1980".
- Whitehead_problem subject Category:Group_theory.
- Whitehead_problem subject Category:Independence_results.
- Whitehead_problem subject Category:Mathematical_problems.
- Whitehead_problem type Abstraction100002137.
- Whitehead_problem type Attribute100024264.
- Whitehead_problem type Condition113920835.
- Whitehead_problem type Difficulty114408086.
- Whitehead_problem type MathematicalProblems.
- Whitehead_problem type Problem114410605.
- Whitehead_problem type State100024720.
- Whitehead_problem comment "In group theory, a branch of abstract algebra, the Whitehead problem is the following question:Is every abelian group A with Ext1(A, Z) = 0 a free abelian group?Shelah (1974) proved that Whitehead's problem is undecidable within standard ZFC set theory.".
- Whitehead_problem label "Whitehead problem".
- Whitehead_problem label "怀特海问题".
- Whitehead_problem sameAs m.01f4tv.
- Whitehead_problem sameAs Q2905020.
- Whitehead_problem sameAs Q2905020.
- Whitehead_problem sameAs Whitehead_problem.
- Whitehead_problem wasDerivedFrom Whitehead_problem?oldid=576367497.
- Whitehead_problem isPrimaryTopicOf Whitehead_problem.