Paper III: Typed Transfer, Nonlinear Packets, and Obstruction Theory

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1 \begin{tikzpicture}[x=1cm,y=1cm,>=Latex,font=\sffamily\small,line cap=round,line join=round]
2 \node[circle,draw,fill=white,minimum size=7mm,inner sep=1pt,] at (0.60000,1.80000) {$0$};
3 \node[circle,draw,fill=white,minimum size=7mm,inner sep=1pt,] at (4.70000,1.80000) {$1$};
4 \node[circle,draw,fill=white,minimum size=7mm,inner sep=1pt,] at (2.65000,4.20000) {$2$};
5 \draw[->,line width=.85pt,shorten <=4mm,shorten >=4mm,] (0.6,1.8) to[bend left=18] node[sloped,above,font=\sffamily\footnotesize] {$a:2$} (4.7,1.8);
6 \draw[->,line width=.85pt,shorten <=4mm,shorten >=4mm,] (0.6,1.8) to[bend left=-18] node[sloped,above,font=\sffamily\footnotesize] {$b:-1$} (4.7,1.8);
7 \draw[->,line width=.85pt,shorten <=4mm,shorten >=4mm,] (4.7,1.8) -- node[sloped,above,font=\sffamily\footnotesize] {$c:3$} (2.65,4.2);
8 \draw[->,line width=.85pt,shorten <=4mm,shorten >=4mm,] (2.65,4.2) -- node[sloped,above,font=\sffamily\footnotesize] {$d:1$} (0.6,1.8);
9 \node[] at (2.65000,0.50000) {$(T^2)_{20}=6-3=3$};
10 \node[] at (7.45000,5.00000) {$a$};
11 \node[] at (8.35000,5.00000) {$b$};
12 \node[] at (9.25000,5.00000) {$c$};
13 \node[] at (10.15000,5.00000) {$d$};
14 \node[] at (6.70000,4.15000) {$a$};
15 \draw[fill=black!0,draw=black!40,line width=.35pt,] (7.00000,3.70000) rectangle ++(0.90000,0.90000);
16 \node[] at (7.45000,4.15000) {$\times$};
17 \draw[fill=black!0,draw=black!40,line width=.35pt,] (7.90000,3.70000) rectangle ++(0.90000,0.90000);
18 \node[] at (8.35000,4.15000) {$\times$};
19 \draw[fill=black!0,draw=black!40,line width=.35pt,] (8.80000,3.70000) rectangle ++(0.90000,0.90000);
20 \node[] at (9.25000,4.15000) {$\times$};
21 \draw[fill=black!22,draw=black!40,line width=.35pt,] (9.70000,3.70000) rectangle ++(0.90000,0.90000);
22 \node[] at (10.15000,4.15000) {$2$};
23 \node[] at (6.70000,3.25000) {$b$};
24 \draw[fill=black!0,draw=black!40,line width=.35pt,] (7.00000,2.80000) rectangle ++(0.90000,0.90000);
25 \node[] at (7.45000,3.25000) {$\times$};
26 \draw[fill=black!0,draw=black!40,line width=.35pt,] (7.90000,2.80000) rectangle ++(0.90000,0.90000);
27 \node[] at (8.35000,3.25000) {$\times$};
28 \draw[fill=black!0,draw=black!40,line width=.35pt,] (8.80000,2.80000) rectangle ++(0.90000,0.90000);
29 \node[] at (9.25000,3.25000) {$\times$};
30 \draw[fill=black!22,draw=black!40,line width=.35pt,] (9.70000,2.80000) rectangle ++(0.90000,0.90000);
31 \node[] at (10.15000,3.25000) {$-1$};
32 \node[] at (6.70000,2.35000) {$c$};
33 \draw[fill=black!22,draw=black!40,line width=.35pt,] (7.00000,1.90000) rectangle ++(0.90000,0.90000);
34 \node[] at (7.45000,2.35000) {$6$};
35 \draw[fill=black!22,draw=black!40,line width=.35pt,] (7.90000,1.90000) rectangle ++(0.90000,0.90000);
36 \node[] at (8.35000,2.35000) {$-3$};
37 \draw[fill=black!0,draw=black!40,line width=.35pt,] (8.80000,1.90000) rectangle ++(0.90000,0.90000);
38 \node[] at (9.25000,2.35000) {$\times$};
39 \draw[fill=black!0,draw=black!40,line width=.35pt,] (9.70000,1.90000) rectangle ++(0.90000,0.90000);
40 \node[] at (10.15000,2.35000) {$\times$};
41 \node[] at (6.70000,1.45000) {$d$};
42 \draw[fill=black!0,draw=black!40,line width=.35pt,] (7.00000,1.00000) rectangle ++(0.90000,0.90000);
43 \node[] at (7.45000,1.45000) {$\times$};
44 \draw[fill=black!0,draw=black!40,line width=.35pt,] (7.90000,1.00000) rectangle ++(0.90000,0.90000);
45 \node[] at (8.35000,1.45000) {$\times$};
46 \draw[fill=black!22,draw=black!40,line width=.35pt,] (8.80000,1.00000) rectangle ++(0.90000,0.90000);
47 \node[] at (9.25000,1.45000) {$3$};
48 \draw[fill=black!0,draw=black!40,line width=.35pt,] (9.70000,1.00000) rectangle ++(0.90000,0.90000);
49 \node[] at (10.15000,1.45000) {$\times$};
50 \node[] at (8.80000,5.50000) {first executed edge = column};
51 \node[] at (8.80000,0.35000) {second executed edge = row};
52 \node[] at (8.80000,-0.15000) {$\times$: broken packet interface};
53 \end{tikzpicture}

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