Unsolved problems in mathematics

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Unsolved problems in : Note: Use the unsolved tag: {{unsolved|F|X}}, where "F" is any field in the sciences: and "X" is a concise "explanation" with or without links. The appropriate category tag will automatically be added.

This article describes some currently unsolved problems in mathematics.

The seven Millennium Prize Problems set by the Clay Mathematics Institute are:

Other still-unsolved problems:

See also those problems listed as conjectures (list of conjectures).

Problems solved recently:

See also: Hilbert's 23 problems, Timeline of mathematics


"Problems worthy of attack prove their worth by fighting back." — Piet Hein (19051996)

External links

Books discussing unsolved problems

  • Fan Chung; Ron Graham (1999). Erdos on Graphs : His Legacy of Unsolved Problems, AK Peters. ISBN 156881111X.
  • Hallard T. Croft; Kenneth J. Falconer; Richard K. Guy (1994). Unsolved Problems in Geometry, Springer. ISBN 0387975063.
  • Richard K. Guy (2004). Unsolved Problems in Number Theory, Springer. ISBN 0387208607.
  • Victor Klee; Stan Wagon (1996). Old and New Unsolved Problems in Plane Geometry and Number Theory, The Mathematical Association of America. ISBN 0883853159.
  • Florentin Smarandache (2000). Definitions, Solved and Unsolved Problems, Conjectures, and Theorems in Number Theory and Geometry, Amer Research. ISBN 187958574X.

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