| 41. | As 2D isometry group D 10, the group has mirrors at 18?intervals.
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| 42. | The isometry group generated by just a glide reflection is an infinite cyclic group.
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| 43. | A discrete symmetry group is a symmetry group that is a discrete isometry group.
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| 44. | See Fixed points of isometries for more details.
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| 45. | Is an isometry and a densely defined homomorphism on the ring of polynomial functions.
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| 46. | This explains why weights are introduced ( to make the mapping an isometry ).
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| 47. | The It?isometry for square integrable martingales is then
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| 48. | Composition of isometries mixes kinds in assorted ways.
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| 49. | All isometries of a bounded 3D object have one or more common fixed points.
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| 50. | A unitary operator is an isometry with range.
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