3 3 3 e X X X X X X
. R R D e R R 7 () r r R R () l t t R R 7 l () () R r rr r r n r n r r 3 6 r 88 R r 360 r = e t t = e r t rt rt, r t, r 3 t, r t R R R R R D = {e, r, r, r 3, r, t, rt, r t, r 3 t, r t} r t rtr, rtrt, r tr 3 tr t R rtr = t, rtrt = e, r tr 3 tr t = rt rt rt = tr 7 l l 7 rt tr R r t R r t 3 3 3 t r 3 3 3
. C C D θ r θ θ r θ C C r 0 l l t t C C C C D = {r θ (0 θ < 360), r θ t (0 θ < 360)} R R D 0 C C D.3 D, D (0) r, s rs r s rs () r, s, t (rs)t = r(st) rs st rs t r st () e r er = re = r e (3) r r rr = r r = e r r r 3
. G G (0) G r, s r s G rs () G r, s, t (rs)t = r(st) () G e G r er = re = r (3) G r G r rr = r r = e rs = sr G r n rr r r n r n e n n r r n = e n r G S G, S G S S G R R D 7 r, l t e D r r r rr = r r = e r (r ) r 3 r, t D {r, t} C C D θ r θ, θ θ l t D {r θ, t 0 θ } D D
. 360 6 8 0 6 8 0 n n P n 3.3 P n n = 8 8 8 () 6 P 8 3 3 l 6 6 () () () l ( ) 90 r e, r, r, r 3 ( e ) i =, 3,..., 6 i i i =, 3,..., 6 i f i f i i f i, rf i, r f i, r 3 f i P 8 6 = P n ( ) ( ) P 3 =, P 6 3 8 =, P
3 0 = 60, P 0 = 60 P n l 0 r, l 80 s l l 3 3 r s 3, s sr 3 s r 3 s r 3 sr P 8 P {e, r, r }, {s, rs, r s}, 3 {sr, r(sr), r (sr)}, {sr, r(sr ), r (sr )} P {e, r, r, s, rs, r s, sr, rsr, r sr, sr, rsr, r sr } P s r P {r, s} 8 l 90 r, l 80 s 3 l l 3 6 s sr 3 sr sr 3 sr s 6 6 f i f = s, f 3 = sr, f = sr, f = sr 3, f 6 = sr s P 8 {r, s} P 8 { e, r, r P 8 =, r 3, s, rs, r s, r 3 s, sr, rsr, r sr, r 3 sr, sr, rsr, r sr, r 3 sr, sr 3, rsr 3, r sr 3, r 3 sr 3, sr s, rsr s, r sr s, r 3 sr s 6 }.
0 l 7 r, l 80 s P 0 {r, s} r s l l () 8 8 () () ) 8 8 8 8 P 6 P 8 0 () 0 0 P P 0 3 P, P 6 (= P 8 ), P (= P 0 ) () () () 7
P 6 P P P 6 P < P 6 () 6 P 6 P P < P 6 = P 8 < P = P 0 < P 8 0 P D P 3 3. X Y X Y X Y X Y 8
S g g S 0 S S S 3 S 0 S S S g g S g g S = =, 3. S g S g f S g S g f S g S g S g S g f S g S g S g h f h f S g S g S g h f h 9
e e S 0 S 0 l θ f f S 0 S 0 l f l θ e e l f e f l l l l θ S g S g g h l 80 S g S g h e h l 80 S 0 e l h l S g S g 80 S g 3.3. S g S g P S S r S 0
T P r(t ) 3 3 3 r 3 T 3,, 3 r 3 T 3 r(t ) 3 r(t ) 3 T 3 r(t ) S 3 T r(t ) T r(t ) T 3 r(t ) 3 T r(t ) T r S g S g f 3 T 3 f(t ). s s, 3 S g S g M g 3. 3.3 S g h, h, h 3 M h e h 0 90 90 h 80 0 0 90 90 h h 3 h 3 h 3 S g
. S g S g S g c c S g 3 S g c 360 c α 3 t c (α) c c S g S g c t c t c α t c (α) t c (α) α c α t c (α) t c S g S g M. t c M g c S g t c e t c = e c S g t c t c c c c c c M g t c t c. 3. S 0 l M 0 e S 0 S 0 S 0 e M 0 = {e}. S 0
S g S M h, h, h 3 M W. B. R. M g 3g a, a,..., a g, b, b,..., b g, c, c,..., c g b b b g c c c g a a a g S g S g t a, t a,..., t ag, t b, t b,..., t bg, t c, t c,..., t cg. P n r s P n M g M g S h h = t a t b t c t b t a t a t b t c t b t c t b t a S α h h(α) α h t a t b t c t b t a t a t b t c t b t c t b t a α 80 h h(α) t a t b t c t b t a t a t b t c t b t c t b t a α α α 3
h(α) α α t a b t b c t c b a t b t a t a t b a a b c t c b t b t a h(α) a 3 3 = 9. r s r s M g 3g Teruaki Web http://www.atwiki.jp/kazushiahara/pages/3.html
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