Index of the perturbation term | Perturbation term | Contractions present on a circular scale of time |
(1) |
| No contraction |
(2) |
|
|
(3) |
|
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(4) |
|
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(5) |
|
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(6) |
|
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(7) |
|
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(8) |
|
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(9) |
|
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(10) |
|
|
(11) |
|
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(12) |
|
|
(13) |
|
|
(14) |
|
|
(15) |
|
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(16) |
|
|
(17) |
|
|
(18) |
|
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(19) |
|
|
(20) |
|
|
(21) |
|
|
(22) |
|
|
(23) |
|
|
(24) |
|
|
(25) |
|
|
(26) |
|
|
(27) |
|
|
(28) |
|
|
(29) |
|
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(30) |
|
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(31) |
|
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(32) |
|
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(33) |
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(34) |
|
|
(35) |
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|
(36) |
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|
(37) |
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