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| | Mathematical Subject Classification |
 | | The MSC is broken down into over 5,000 two-, three-, and five-digit classfications, each corresponding to a discipline of mathematics (e.g., 11 = Number theory; 11B = Sequences and sets; 11B05 = Density, gaps, topology). |
 | | The current classification system, 2000 Mathematics Subject Classification (MSC2000), is a revision of the 1991 Mathematics Subject Classification, which is the classification that has been used by MR and Zbl since the beginning of 1991. |
 | | The search program is based on one developed by Chris Eilbeck of Heriot-Watt University, Edinburgh. |
| www.ams.org /msc (607 words) |
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