# Lists of problems in math

* [List of undecidable problems](https://en.wikipedia.org/wiki/List_of_undecidable_problems)
* [List of unsolved problems](https://en.wikipedia.org/wiki/List_of_unsolved_problems)
* [List of open problems in computer science](https://en.wikipedia.org/wiki/List_of_open_problems_in_computer_science)
* [List of NP-complete problems](https://en.wikipedia.org/wiki/List_of_NP-complete_problems)
* [List of PSPACE-complete problems](https://en.wikipedia.org/wiki/List_of_PSPACE-complete_problems)

## Millennium Prize Problems

* [Hodge conjecture](https://en.wikipedia.org/wiki/Hodge_conjecture)
* [Riemann hypothesis](https://en.wikipedia.org/wiki/Riemann_hypothesis)
* [Yang–Mills existence and mass gap](https://en.wikipedia.org/wiki/Yang%E2%80%93Mills_existence_and_mass_gap)
* [Navier–Stokes existence and smoothness](https://en.wikipedia.org/wiki/Navier%E2%80%93Stokes_existence_and_smoothness)
* [Birch and Swinnerton-Dyer conjecture](https://en.wikipedia.org/wiki/Birch_and_Swinnerton-Dyer_conjecture)
* [Poincaré conjecture](https://en.wikipedia.org/wiki/Poincar%C3%A9_conjecture) _solved_
* [P versus NP problem](https://en.wikipedia.org/wiki/P_versus_NP_problem): a&#x20;

## WIKIPEDIA

List of unsolved problems (conjectures or open problems) in sciences: [https://en.wikipedia.org/wiki/Lists\_of\_unsolved\_problems](https://en.wikipedia.org/wiki/Lists_of_unsolved_problems)

Millennium Prize Problems [https://en.wikipedia.org/wiki/Millennium\_Prize\_Problems](https://en.wikipedia.org/wiki/Millennium_Prize_Problems)

Hilbert's problems [https://en.wikipedia.org/wiki/Hilbert%27s\_problems](https://en.wikipedia.org/wiki/Hilbert's_problems)

## LINKS

List of open problems in math\
[http://openproblemgarden.org/](http://openproblemgarden.org/)\
and list of solved problems\
[http://openproblemgarden.org/category/number\_theory\_0?q=view/solved](http://openproblemgarden.org/category/number_theory_0?q=view/solved)
