SSL test000.in
Sprache: unbekannt
# test000.in - Colin Ramsay - 15 Mar 99
java.lang.NullPointerException
# An example of the trivial group from p18 of Coxeter & Moser (3 rd edn).
Mess:10000 ;
Gr: r,s;
Rel: rs^2 =s^3 r, sr^2 =r^3 s;
# The book does this in 6 ; we manage 7 !
Gen: r;
Fel:1 ; No:0 ;
End;
# This (ie, 27 ) is the best I can find over the trivial subgroup.
Gen: ;
Fel:1 ;
Aep:7 ;
# A winning presentation is ...
Rel: srrSRRR, RSSSrss;
Diagnostics:2 ;
End;
# An explicit defn sequence; pri coincs are 9 =5 & 18 =26 .
# We seem to need these, but we can shave it down to t=23 .
Gr: r,s;
Rel: rs^2 =s^3 r, sr^2 =r^3 s;
Gen:
r R, # 2
rr RR, # 3
rrr RRR, # 4
rrrs SRRR, # 5
rrrsR rSRRR, # 6
rrrsRR rrSRRR, # 7
S s, # 8
SS ss, # 9
SSR rss, # 10
SSRs Srss, # 11
SSRss SSrss, # 12
SSRsss SSSrss, # 13
rs SR, # 14
rS sR, # 15
# rrs SRR, # 16
# rrS sRR, # 17
rrrr RRRR, # 18
rrrS sRRR, # 19
# rrrsr RSRRR, # 20
# rrrss SSRRR, # 21
rrrsRs SrSRRR, # 22
rrrsRS srSRRR, # 23
rrrsRSS ssrSRRR, # 24
rrrSR rsRRR, # 25
rSr RsR, # 26
SSRS srss; # 27
AsIs:1 ;
No:0 ; # Since done _before_ first DD!
Di:0 ;
End;
# Looking at the coinc words, and `priming' the system to look for them,
# shows that rrr & rS are good (aep gives t=25 ).
# This yields the run (with 16 =8 , 14 =19 & 22 =23 ), which we can take down
# to t=22 .
Gen:
r R, # 2
rr RR, # 3
rrr RRR, # 4
rS sR, # 5
R r, # 6
RS sr, # 7
RSr Rsr, # 8
RSrr RRsr, # 9
s S, # 10
sr RS, # 11
srS sRS, # 12
srSS ssRS, # 13
srSSR rssRS, # 14
srSSRs SrssRS, # 15
# rs SR, # 16 !
# rrs SRR, # 17
# rrS sRR, # 18
rrrs SRRR, # 19
rrrS sRRR, # 20
rrrSR rsRRR, # 21
rrrr RRRR, # 22
rSr RsR, # 23
srSSRR rrssRS, # 24
srSSRRs SrrssRS; # 25
End;
Stat;
Messung V0.5 in Prozent C=97 H=100 G=98
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2026-07-27