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11: 14.24 Analytic Continuation
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►Let be an arbitrary integer, and and denote the branches obtained from the principal branches by making circuits, in the positive sense, of the ellipse having as foci and passing through .
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►Next, let and denote the branches obtained from the principal branches by encircling the branch point (but not the branch point ) times in the positive sense.
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►For fixed , other than or , each branch of and is an entire function of each parameter and .
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12: 22.14 Integrals
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22.14.1
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►The branches of the inverse trigonometric functions are chosen so that they are continuous.
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22.14.4
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►Again, the branches of the inverse trigonometric functions must be continuous.
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22.14.7
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13: 1.10 Functions of a Complex Variable
14: 10.25 Definitions
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§10.25(ii) Standard Solutions
… ►It has a branch point at for all . The principal branch corresponds to the principal value of the square root in (10.25.3), is analytic in , and two-valued and discontinuous on the cut . … ►For fixed each branch of and is entire in . ►Branch Conventions
…15: 15.2 Definitions and Analytical Properties
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►again with analytic continuation for other values of , and with the principal branch defined in a similar way.
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►The difference between the principal branches on the two sides of the branch cut (§4.2(i)) is given by
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§15.2(ii) Analytic Properties
… ►The same is true of other branches, provided that , , and are excluded. …16: 4.5 Inequalities
17: 4.1 Special Notation
18: 4.8 Identities
19: 5.10 Continued Fractions
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5.10.1
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