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odicin
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PostPosted: 18.08.2011, 21:32    NumberFields@home Reply with quoteBack to top

http://numberfields.asu.edu/NumberFields/

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NumberFields@home is a research project that uses Internet-connected computers to do research in number theory. You can participate by downloading and running a free program on your computer.

NumberFields@home searches for fields with special properties. The primary application of this research is in the realm of algebraic number theory. Number theorists can mine the data for interesting patterns to help them formulate conjectures about number fields. Ultimately, this research will lead to a deeper understanding of the profound properties of numbers, the basic building blocks of all mathematics.

NumberFields@home is based at the school of mathematics at Arizona State University. The final results of this project will be complete tables of number fields. The results are given in table form or as a searchable database.

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odicin
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PostPosted: 20.08.2011, 11:38    (No subject) Reply with quoteBack to top

Leider hier das gleiche Problem wie bei Correlizer. Der Fortschritt der WU wird im BOINCManager nicht angezeigt. Das ist schon ärgerlich, wenn man mal eine längere WU mit 12h erwischt. BoincTasks hat das Problem nicht und zeigt den Progress an.

Die Credits sind auch noch etwas mau, eine 12h WU brachte nur 160 Credits.

Gruß Odi

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odicin
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PostPosted: 21.08.2011, 12:21    (No subject) Reply with quoteBack to top

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Technically speaking, the project could go on forever, as our searches depend on field degree and ramified primes. Right now we are concentrating on degree 10 fields. After that, we could move on to higher degrees. We also sort fields by ramified primes. So for each set of primes, the search will be finite, but there are an unlimited combination of primes.

To give you an idea of the time required for a specific case, part of my dissertation found all degree 10 fields ramified over the set {2,3}, and this would have taken about 5 years on a single cpu (it took 60 days using boinc, but the total run time summed over all hosts was 4.7 years).


Hier noch ein paar Infos zum Projekt vom Admin.

Gruß Odi

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PostPosted: 25.03.2018, 07:58    (No subject) Reply with quoteBack to top

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24 Mar 2018, 6:21:03 UTC New application coming soon
In the coming days we will be introducing a new number field application. This one will target degree 7 fields (called septics). The current best bound is 5E6, and this app will increase that to 200E6. This means it will find all degree 7 fields whose discriminant is bounded by 200E6.

Here is some additional information:
1. This search is expected to run for only 5 to 6 months (but could take longer).
2. It will run side-by-side with the current decic app.
3. It will only support the 64bit Windows and 64 bit Linux platforms.

Eine neue App ist in Vorbereitung für eine neue Suche, die ca. 5-6 Monate (oder auch länger) dauern soll. Neben der herkömmlichen App wird sie nur für Windows und Linux in 64-Bit verfügbar sein.
Erste Test-WUs gibt es bereits.

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