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Who coined the term "crystallographic root system"?

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#terminology #math-history #root-systems #crystallography
364
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Riemann-Zeta Zeros and Quasicrystals

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#prime-numbers #riemann-hypothesis #crystallography
53
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orientation-preserving subgroup of crystallographic space group

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#group-theory #crystallography
91
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Where are the centered trigonal lattices among the 14 Bravais lattices?

Published on
#3d #solid-geometry #crystallography
114
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Transform non-orthogonal lattice vectors to orthogonal lattice vectors

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#orthogonality #crystallography
107
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On a correspondence between subperiodic and magnetic space groups

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#group-theory #symmetry #crystallography
54
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Can you derive a parametric function which describes a crystallographic screw axis?

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#geometry #parametric #crystallography
43
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Connect points in $\mathbb{R}^3$ to form a crystal

Published on
#geometry #crystallography
45
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Finite Subgroups of SO(3) are conjugate if and only if they are isomorphic [reference request]

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#reference-request #euclidean-geometry #crystallography
51
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If $G$ is a crystal group, $\overline{G}$ acts on $G_t$.

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#group-theory #proof-explanation #euclidean-geometry #crystallography
317
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Does the cut-and-project method produce *the* Fibonacci chain?

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#fibonacci-numbers #crystallography #quasiperiodic-function
64
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Why aren't there any $S_8$ or $S_{12}$ point groups in crystallography?

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#group-theory #reference-request #symmetric-groups #symmetry #crystallography
84
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A simple space-filler, not a plesiohedron

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#vector-spaces #polyhedra #solid-geometry #tiling #crystallography
70
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Why is groupoids the appropriate tool for studying quasicrystals?

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#symmetry #groupoids #crystallography
61
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Action of a crystallographic group on $\mathbb{R}^n$

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#group-actions #topological-groups #isometry #crystallography #proper-maps

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