9.51.3 Can you answer these questions?

9.51.3.1 Difficulty with passing the value of a tl to the tikzfading function

https://tex.stackexchange.com/landing/r/digest?cta=question&id=692406

In the LaTeX tikz library "fadings", there is a function called \tikzfading that allows one to define a custom fading style. For instance, the following is an MWE showing a line fading out ... 
[tikz-pgf] [expl3] [tikz-fadings]
 

asked by Adam Higgins https://tex.stackexchange.com/landing/r/digest?cta=user&id=282456 Score of 1

9.51.3.2 Parallel Transport on a Hyperbola

https://tex.stackexchange.com/landing/r/digest?cta=question&id=692446

Disclaimer: I'm very new to fancy TeX pictures..as you can see by my reputation 1 on this exchange. 
I recently came across this post, describing how to the draw parallel transport of a vector on a ... 
[tikz-pgf] [pgfplots] [graphics] [diagrams] [asymptote]
 

asked by Mike_MasterinMath https://tex.stackexchange.com/landing/r/digest?cta=user&id=300592 Score of 1

9.51.3.3 Extra whitespace on top of table of contents

https://tex.stackexchange.com/landing/r/digest?cta=question&id=692264

This is my preamble that im using to format my document 
% Package Inclusions 
\usepackage{graphicx} 
\usepackage{times} 
\usepackage{geometry} 
\usepackage[style=ieee,backend=biber]{biblatex} 
\usepackage{... 
[table-of-contents]
 

asked by Siddhartha https://tex.stackexchange.com/landing/r/digest?cta=user&id=293224 Score of 1

answered by hair-splitter https://tex.stackexchange.com/landing/r/digest?cta=user&id=123653 Score of 0