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C - F collisions


  F high F low
C1 EBar + C2 F + C1
C2 F + C1 + BBar F + C1 + BBar
C3 C1 + C2 F + C2 + BBar

Figure 3.35: Illustrating the two different alignments for C - F collisions. They can be distinguished visually by whether an odd or an even number of ether tiles separate their two margins. Left: high aspect, Right: low aspect.
\begin{figure}\centering\begin{picture}(370,140) \put(0,0){\epsfxsize = 180pt \e... ...} \put(185,0){\epsfxsize = 180pt \epsffile{cflow.eps}} \end{picture}\end{figure}

C gliders are static with period 7, while F gliders move left 4 every 36 generations, for a velocity of -1/9. Thus an F glider falls by one cell relative to the C chain, while coming 4 cells closer, every time it runs through its period.

Since the two gliders must be separated by an integral number of ether tiles, and there are two phases of ether tile which abut on the right side of a C, there are essentially two relative alignments for an F and any C.

Figure 3.36: C1 collides with F in the low alignment, wherein they pass each other by.
\begin{figure}\centering\begin{picture}(200,450) \put(00,0){\epsfxsize = 200pt \epsffile{c2fhi.eps}} \end{picture}\end{figure}

next up previous contents
Next: C - G collisions Up: Collisions with C gliders Previous: C - EBar collisions   Contents
Jose Manuel Gomez Soto 2002-01-31