Question

Consider the general equation of a circle in $(x,y)$-plane and use the transformation $w = \frac{1}{z}$

score 642 · Answer 1 · 2026-04-16 18:45:07

642

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Consider the general equation of a circle in $(x,y)$-plane and use the transformation $w = \frac{1}{z}$

Published on 16 Apr 2026 - 18:45

score 293 · Answer 2 · 2026-04-12 20:34:08

293

Views

Minimising a sum of roots of unity

Published on 12 Apr 2026 - 20:34

score 624 · Answer 3 · 2026-04-13 23:01:43

624

Views

On the criterion of convergence of infinite products of complex numbers

Published on 13 Apr 2026 - 23:01

score 60 · Answer 4 · 2026-04-09 06:18:39

60

Views

How to solve equation in complex numbers?

Published on 09 Apr 2026 - 6:18

score 315 · Answer 5 · 2026-04-12 13:59:55

315

Views

Towards a formula for the Euler $\phi$ function?

Published on 12 Apr 2026 - 13:59

score 4.1k · Answer 6 · 2026-04-11 15:57:20

4.1k

Views

Complex Numbers Closed under division?

Published on 11 Apr 2026 - 15:57

score 364 · Answer 7 · 2026-04-12 05:48:43

364

Views

Simplify $(7-2i)(7+2i)$. Found difference between mine and solution guide's and didn't know why.

Published on 12 Apr 2026 - 5:48

score 557 · Answer 8 · 2026-04-12 13:05:03

557

Views

How to prove the formula for the argument of a complex number?

Published on 12 Apr 2026 - 13:05

score 32 · Answer 9 · 2026-04-16 09:32:29

32

Views

Does $|(aj+b)^{-1}| = (|aj+b|)^{-1}$

Published on 16 Apr 2026 - 9:32

score 442 · Answer 10 · 2026-04-10 03:43:00

442

Views

Are $i,j,k$ commutative?

Published on 10 Apr 2026 - 3:43

score 111 · Answer 11 · 2026-04-14 04:52:57

111

Views

complex functions inequalities plane

Published on 14 Apr 2026 - 4:52

score 56 · Answer 12 · 2026-04-12 11:13:50

56

Views

Computing the tangential and cross components of one quantity using gnomonic projection

Published on 12 Apr 2026 - 11:13

score 396 · Answer 13 · 2026-04-15 22:29:43

396

Views

Are numbers like $\left ( -2 \right )^{\sqrt{2}}$ real or complex?

Published on 15 Apr 2026 - 22:29

score 514 · Answer 14 · 2026-04-15 03:50:21

514

Views

When $f=u+iv$ is a holomorphic function, the real part of $f'(z)$ is equal to $u_x(z)$

Published on 15 Apr 2026 - 3:50

score 123 · Answer 15 · 2026-04-11 19:02:58

123

Views

Question on definitions

Published on 11 Apr 2026 - 19:02

List Question

Consider the general equation of a circle in $(x,y)$-plane and use the transformation $w = \frac{1}{z}$

Minimising a sum of roots of unity

On the criterion of convergence of infinite products of complex numbers

How to solve equation in complex numbers?

Towards a formula for the Euler $\phi$ function?

Complex Numbers Closed under division?

Simplify $(7-2i)(7+2i)$. Found difference between mine and solution guide's and didn't know why.

How to prove the formula for the argument of a complex number?

Does $|(aj+b)^{-1}| = (|aj+b|)^{-1}$

Are $i,j,k$ commutative?

complex functions inequalities plane

Computing the tangential and cross components of one quantity using gnomonic projection

Are numbers like $\left ( -2 \right )^{\sqrt{2}}$ real or complex?

When $f=u+iv$ is a holomorphic function, the real part of $f'(z)$ is equal to $u_x(z)$

Question on definitions

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