Let G be a group. A length function on G is a function 
satisfying:
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Coxeter groups (including the symmetric group) have combinatorial important length functions, for which each simple reflection has length 1.
This article incorporates material from Length function on PlanetMath, which is licensed under the GFDL.
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- bcl
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- be_x_old
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- bpy
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- bug
- bxr
- ca
- cbk_zam
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- cu
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- da
- de
- diq
- dsb
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- eo
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- et
- eu
- ext
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- hif
- ho
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- km
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- map_bms
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- new
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- no
- nov
- nrm
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- om
- or
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- pam
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- qu
- quality
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- to
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- tw
- ty
- udm
- ug
- uk
- ur
- uz
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- vec
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- vls
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- wa
- war
- wo
- wuu
- xal
- xh
- yi
- yo
- za
- zea
- zh
- zh_classical
- zh_min_nan
- zh_yue
- zu
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