Preface |
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vii | |
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Symbols and the group property |
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1 | (5) |
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6 | (1) |
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7 | (2) |
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Powers, products, generators |
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9 | (2) |
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Subgroups, cosets, classes |
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11 | (2) |
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Invariant subgroups. The factor group |
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13 | (1) |
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Homomorphisms and isomorphisms |
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14 | (2) |
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Elementary concept of a representation |
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16 | (2) |
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18 | (1) |
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19 | (3) |
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Lattices and Vector Spaces |
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22 | (3) |
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Lattices. Two and three dimensions |
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25 | (2) |
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27 | (1) |
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n-Dimensional space. Basis vectors |
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28 | (3) |
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Components and basis changes |
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31 | (2) |
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Mappings and similarity transformations |
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33 | (5) |
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Representations. Equivalence |
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38 | (3) |
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Length and angle. The metric |
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41 | (6) |
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47 | (2) |
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Matrix elements as scalar products |
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49 | (2) |
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51 | (3) |
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Symmetry operations as orthogonal transformations |
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54 | (5) |
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59 | (10) |
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The tetrahedral and octahedral point groups |
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69 | (6) |
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Compatibility of symmetry operations |
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75 | (3) |
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Symmetry of crystal lattices |
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78 | (7) |
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Derivation of space groups |
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85 | (6) |
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Representations of Point and Translation Groups |
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Matrices for point group operations |
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91 | (4) |
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Nomenclature. Representations |
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95 | (10) |
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Translation groups. Representations and reciprocal space |
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105 | (4) |
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Irreducible Representations |
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Reducibility. Nature of the problem |
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109 | (1) |
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Reduction and complete reduction. Basic theorems |
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110 | (6) |
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The orthogonality relations |
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116 | (5) |
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121 | (3) |
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The regular representation |
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124 | (1) |
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The number of distinct irreducible representations |
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125 | (1) |
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Reduction of representations |
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126 | (5) |
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Idempotents and projection operators |
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131 | (2) |
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133 | (7) |
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Applications Involving Algebraic Forms |
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140 | (1) |
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Invariant forms. Symmetry restrictions |
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141 | (6) |
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Principal axes. The eigenvalue problem |
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147 | (3) |
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150 | (1) |
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Symmetry classification of molecular vibrations |
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151 | (8) |
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Symmetry coordinates in vibration theory |
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159 | (7) |
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Applications Involving Functions and Operators |
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Transformation of functions |
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166 | (4) |
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Functions of Cartesian coordinates |
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170 | (4) |
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Operator equations. Invariance |
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174 | (7) |
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Symmetry and the eigenvalue problem |
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181 | (6) |
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Approximation methods. Symmetry functions |
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187 | (3) |
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Symmetry functions by projection |
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190 | (5) |
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Symmetry functions and equivalent functions |
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195 | (2) |
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Determination of equivalent functions |
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197 | (6) |
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Applications Involving Tensors and Tensor Operators |
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Scalar, vector and tensor properties |
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203 | (3) |
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Significance of the metric |
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206 | (2) |
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Tensor properties. Symmetry restrictions |
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208 | (3) |
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Symmetric and antisymmetric tensors |
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211 | (7) |
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Tensor fields. Tensor operators |
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218 | (6) |
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Matrix elements of tensor operators |
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224 | (7) |
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Determination of coupling coefficients |
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231 | (4) |
Appendix 1 Representations carried by harmonic functions |
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235 | (6) |
Appendix 2 Alternative bases for cubic groups |
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241 | (4) |
Index |
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245 | |