# Subversion RepositoriesKolibri OS

Rev
1. #Life 1.05
2. #D Orthogonal sawtooth with expansion factor 11
3. #D Population is unbounded but does not tend to infinity.  Its graph is a
4. #D sawtooth function with ever-increasing teeth.  More specifically, the
5. #D population in generation t = 36*11^n - 37 (n>=1), is 7(t+1)/30 + 746, but the
6. #D population in generation 12*11^n - 51 (n>=1) is only 635 if n is even, 633 if
7. #D n is odd.  This uses a spark from a period 9, speed c/3 orthogonal spaceship,
8. #D found by David Bell, to turn a LWSS into a loaf, which is then pulled back by
9. #D pairs of LWSSs.  When the loaf is pulled all the way back, it gets deleted and
10. #D the cycle begins again.  (The deletion is caused by interaction with a LWSS
11. #D and with 3 gliders which would otherwise form a LWSS.)
12. #D
13. #D Try putting something in the path of the c/3, far away from the guns.  When
14. #D the beam of LWSSs hits the resulting garbage, it is likely that a loaf will
15. #D eventually be formed and pulled back.  No matter where the loaf starts, when
16. #D it reaches the guns it will be deleted by one of 3 different reactions.  (The
17. #D block behind the c/3 is used for one of these; it's not needed for the
18. #D sawtooth pattern itself.) The beam of LWSSs will again be released and may
19. #D eventually form another loaf.  The process may be repeated many times until
20. #D either the LWSS beam burns through the garbage or the reaction moves upstream
21. #D and consumes the guns.
22. #D
23. #D Dean Hickerson, dean@ucdmath.ucdavis.edu  5/15/92
24. #N
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