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Trevor J Richards's user avatar
Trevor J Richards's user avatar
Trevor J Richards's user avatar
Trevor J Richards
  • Member for 13 years, 4 months
  • Last seen this week
32 votes
5 answers
3k views

Conjecture: Every analytic function on the closed disk is conformally a polynomial.

10 votes
1 answer
583 views

Conjecture: Tract version of Gauss--Lucas Theorem for higher derivatives.

8 votes
2 answers
852 views

Points in the boundary of a compact set $K\subset\mathbb{R}^2$ reachable by a path in $K^c$

7 votes
1 answer
217 views

Methods for "recognizing" a polynomial of several variables.

7 votes
1 answer
267 views

For which polynomials $p\in\mathbb{C}[w]$ are the branches of the inverse $p^{-1}$ expressible using algebraic operations?

7 votes
2 answers
460 views

Factoring real polynomials with no real zeros, and other polys whose zeros come in pairs

6 votes
1 answer
210 views

Can we always find homotopy of two paths which lies "between" the paths?

6 votes
1 answer
174 views

Which entire functions $h(z)$ can be written as $h(z)=f(z+1)-f(z)$ for some entire function $f$? [duplicate]

5 votes
2 answers
101 views

Small derivative and the measure of a set.

4 votes
2 answers
126 views

Bounded faces of a planar path

4 votes
0 answers
87 views

Homotopy of boundary paths

3 votes
3 answers
1k views

Intuitive explanation of second derivative test for functions of two variables.

3 votes
1 answer
849 views

Question about generalizing Schwarz Reflection

2 votes
2 answers
6k views

How does one solve a cubic polynomial with complex coefficients?

2 votes
2 answers
1k views

Creating image in matlab with specified level sets of a complex polynomial.

2 votes
1 answer
1k views

Can the complement of a simply connected set in $\bar{\mathbb{C}}$ in an open set always be covered by a simply connected union of balls?

2 votes
1 answer
50 views

Is there notation or a name for the complement of the unbounded face of a planar graph?

2 votes
1 answer
139 views

Why is the residue of $\frac{1}{z-w}R(z)$ at $w$ not continuous as a function of $w$?

2 votes
3 answers
304 views

Question about $\sum_{n=1}^{\infty}\frac{|\sin(n)|}{n}$. [duplicate]

2 votes
1 answer
850 views

Is an everywhere approximately continuous function everywhere continuous? Request for a counter example

2 votes
1 answer
106 views

Can Runge's approximating rat. fns. be required to take certain prescribed values?

2 votes
1 answer
1k views

Runge's Theorem for meromrophic functions

2 votes
1 answer
660 views

Lusin property (N) for functions of several variables

2 votes
1 answer
116 views

Is every bounded face of a closed path parameterizable?

2 votes
2 answers
413 views

Can an open formula be a tautology?

2 votes
1 answer
1k views

Definitions of nontangential limits in the disc (Stolz angles)

2 votes
0 answers
300 views

Why the cubic formula only gives three roots

2 votes
1 answer
140 views

Jaggedness of the boundary of the $\epsilon$ neighborhood of a set

2 votes
1 answer
831 views

Formula for the midpoint in the hyperbolic geometry

1 vote
1 answer
397 views

Positive real part of derivative imply injectivity?