List questions from branch-cuts

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Classifying singularities of $\frac {z^{1/2}-1}{\sin{\pi z}}$

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240

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Complex analysis - branch cut of log

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Choosing any branch cut, or some branch cut?

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When/where to account for arguments/phases in branch cut problems?

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Argument range for branch cut of $[-1,1]$?

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Branch Points of the Polylog function

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Relation between dilogarithm and its complex conjugate

Published on 09 Apr 2026 - 16:36

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Determining $g(-i)$ for $g(z) = \ln(1-z^2)$, given that $g(i) = \ln(2)$.

Published on 14 Apr 2026 - 23:04

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Branch Points and Branch Cuts for cube root

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Contour integral of inverse square root.

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Elementary questions about branch points and branch cuts

Published on 24 Mar 2026 - 22:01

780

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Shifting the branch cut of the complex logarithm

Published on 12 Apr 2026 - 18:14

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Branch cut for $\sqrt{z^2-a^2}$ in the lower half of the complex plane (instead of $[-a,a]$) - How does this change the function?

Published on 13 Apr 2026 - 18:17

231

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Choosing multiple branch cuts

Published on 05 Apr 2026 - 20:43

List Question

Question about Hankel's contour applied for Gamma functions

Classifying singularities of $\frac {z^{1/2}-1}{\sin{\pi z}}$

Complex analysis - branch cut of log

Choosing any branch cut, or some branch cut?

When/where to account for arguments/phases in branch cut problems?

Argument range for branch cut of $[-1,1]$?

Branch Points of the Polylog function

Relation between dilogarithm and its complex conjugate

Determining $g(-i)$ for $g(z) = \ln(1-z^2)$, given that $g(i) = \ln(2)$.

Branch Points and Branch Cuts for cube root

Contour integral of inverse square root.

Elementary questions about branch points and branch cuts

Shifting the branch cut of the complex logarithm

Branch cut for $\sqrt{z^2-a^2}$ in the lower half of the complex plane (instead of $[-a,a]$) - How does this change the function?

Choosing multiple branch cuts

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