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Top: Science: Math: Number_Theory
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This category includes topics that focus on the properties of numbers such as prime numbers and divisibility. |
Number theory addresses problems about integer and rational numbers. It includes congruences, divisibility, primes, and Fermat's Last Theorem.
Algebraic Theory of Numbers.
Mailing lists, newsgroups, forums, message boards, and chat rooms for discussing topics in Number Theory.
Algorithmic, or Computational, Number Theory studies algorithms for performing number theoretic calculations such as highest common factor, factorisation or testing for primality.
In this category are included any equation or set of equations where the unknowns must be integer numbers. It includes Fermat Last Theorem as a special case.
Educational Resources covers lecture notes, web texts, course materials, project work -- all within the field of Number Theory at the undergraduate or postgraduate level.
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Please submit only sites of theoretical content in the subject of elliptic curves and modular forms. This may include applications of such theory, such as their usage in primality proving, factorization, and cryptography - however in these cases consider carefully whether the site is more suited to those categories in the Open Directory Project. Software programs and tables should be submitted to the appropriate subcategory. |
Elliptic Curves are related to the solutions to equations y^2 = x^3 + A x + B in the field of rationals, algebraic extensions of the rationals, p-adic rational numbers, or a finite field. They are used in factorization of integers and also played a role in the recent resolution of the conjecture known as Fermat's Last Theorem.
Conferences, courses, meetings, seminars,workshops and other events in the Theory of Numbers.
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Please submit sites relating to divisibility, factoring projects and status, methods and algorithms. Please note that factoring software should be submitted to Science/Math/Number_Theory/Software. |
Factoring numbers is a concept learnt with the introduction of divisibility in schools, yet the process can be exceptionally challenging and difficult. This category addresses topics from the basic divisibility tests to perfection and the general problem of extracting prime factors.
Unsolved problems in Number Theory
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Please observe the following suggestion when submitting sites to the category: |
Researchers in Number Theory.
| This category is for web sites which contain material complementing printed books, for example with software, tables or errata. Online texts are also welcome. Please do not submit pages which merely announce or advertise books. Please submit publishers' sites to Science/Math/Publications/Book_Publishers. |
Books, journals and preprints in Number Theory
Research groups, laboratories and networks in Number Theory
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