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References to 'character'
1. circulation and vorticity by perucho
2. class function by djao
3. decomposition of a module using orthogonal idempotents by alozano
4. discrete Fourier transform by stitch
5. Frobenius reciprocity by djao
6. Huffman coding by Logan
7. immanent by Mathprof
8. logicism by gribskoff
9. Mac OS Calculator by PrimeFan
10. Mathematics Subject Classification by PrimeFan
11. motivic cohomology by PrimeFan
12. motivic cohomology by CWoo
13. non-Abelian theory by bci1
14. orthogonality relations by mhale
15. predicativism by gribskoff
16. sign relation by Jon Awbrey