310

54‑4=><5AB=K9 54?@548:0B 54=07K20NB 54A2>9AB2><.54 540?@8<5@,54 545A;8 54m54 54 54?5@5<5==0O 54=0 54<=>65AB25 54=0BC@0;L=KE 54G8A5;,54 54B> 54=5:>B>@>3> 54=0BC@0;L=>3> 54G8A;0 54k54 54m54=542B2> 54G5B=>AB8 54=0BC@0;L=KE 54G8A5;.54

540<?@548:0B 54 (54x54_{154,54 54}x54₂₅₄,54& ,54 54x54_n54)54 54 54>?@545;O5B =>H5=85 54R54 54=0 54<=>65AB25 54:54 545A;8 54 (54x54_{154,54 54}x54₂₅₄,54& ,54 54x54_n54)54=54154,54 54B> 54 54 54 54 54 54 54 54 54(54x54_{154,54 54}x54₂₅₄,54& ,54 54x54_n54)54 54 54 54 54=0E>4OBAO 542 54>B=>H5=88 54& ,54 54x54_n54)54(54R54)54,54 54>?@545;O54?@548:0B><;54 545A;8 54 (54x54_{154,54 54}x54₂₅₄,54& ,54 54x54_n54)54=54054,54 54B> 54 54 54 54 54 54 54 54 54 54(54x54_{154,54 54}x54₂₅₄,54& ,54 54x54_n54)54(54R54.54

54064>5 54C@02=5=85 548;8 54=5@025=AB2> 54A 55n55 55=58725AB=K<8,55 55:0640O 5502=5=89 558;8 55=5@025=AB2 55A 55n55 55=58725AB=K<8 5570405B 55A>>B25BAB2CNI89 55n55-55<5AB=K9 55?@548:0B.55 55@><5 55B>3>,_{55,55 55}x55₂₅₅,55& ,55 55x55_n55)55 55 55?@>872>;L=0O 55DC=:F8O,55 55B> 5559 55<>6=> 55A>?>AB028BL 55?@548:0B 55 (55x55_{155,55 55}x55₂₅₅,55& ,55 55x55_n55,55 55y55)55,55 557=0G5=8 554;O 55;N1>3> ₅₅,55a55₂₅₅ 557=0G5=89 550@3C<5=B>2 55 55x55_{155,55 55}x55₂₅₅,55& ,55 55x55_n55,BAB25==>> 558 55@02=8 55B>;L:>340 55f55(55x55₁₅₅)55 55>?@545;5=> 558 55f55(550_155,55 55=55b55.8:0B 55 (55x55_{155,55 55}x55₂₅₅,55& ,55 55x55_n55,55 55 55y55)55 55=07K205BAO 55?@548:0B><,55 55?@54AB02;ONI8< 55DC=:F8N 55f55(55x55_{155,55 55}x55₂₅₅,55& ,55 55x55_n55)55.55 55

55­CABL ,55 55x55_n55)55 55K9 55n55-55<5AB=K9 55?@548=K9 55=0 55<=>65AB25 55,55 55B>340 55<>68BL 55A;54CNI85 55B8?K 55?@548:0B>2.55

55­@548:0B 55 (55x55_{155,55 55}x55₂₅₅,55& ,55 55x55_n55)55 55=07K205BAO 55B>645AB25==> 558AB8==K<,55 555A;8 55=0 55;N1>< 55=01>@5 557=0G5=89 550@3C<5=B>2 55>= 55>1@0I05BAO 552 558AB8==>5 552KA:07K20=85.55

55­@548:0B 55 55 (55x55_{155,55 55}x55₂₅₅,55& ,55 55x55_n55)55 55=07K205BAO 55B>645AB25==> 55;>6=K<,55 555A;8 55=0 55;N1>< 55=01>@5 557=0G5=89 550@3C<5=B>2 55>= 55>1@0I05BAO 552 55;>6=>5 552KA:07K20=85.55

55­@548:0B 55 55 (55x55_{155,55 55}x55₂₅₅,55& ,55 55x55_n55)55 55 55=07K205BAO 552K?>;=8<K<,55 555A;8 55ACI5AB2C5B 55E>BO 551K 55>48= 55=01>@ 557=0G5=89 550@3C<5=B>2,55 55=0 55:>B>@>< 55>= 55>1@0I05BAO 552 558AB8==>5 552KA:07K4K9 55@0AA<0B@8205<K9 55?@548:0B 55O2;O5BAO 558;8 55B>645AB25==> 558AB8==K<,55 558;8 55B>645AB25==> 55;>6=K<,55 558;8 552K?>;=8<K<.55 55µ;O 552K?>;=8<>3> 55?@548:0B0 55<=>65AB2> 557=0G5=89 550@3C<5=B>2,55 55>= 55>1@0I05BAO 552 55KA:07K20=85,55 55=07K205BAO 55<=>65AB2>< 568AB8=8:=0G56>2>@OB,56 56GB> 56=01>@ 56(560_{156,56 56}0₂₅₆,56& ,56 560_n56)56(56 56O5B 56?@548:0BC 56 (56x56_{156,56 56}x56₂A;8 =>2:5 567=0G53> 56=01>@0 562<5AB> 560@3C<5=B>2 56>= 56>1@0I05BAO 562 568AB8==>5 562KA:07K20=85.56

56­CABL 56 ,56 56x56_n56)56 568 56 ₂₅₆(56x56_{156,56 56}x56₂₅₆,56& ,56 56x56_n56)56 56 56420 56n56-56<5AB=KE 56?@548:0B0,56 560 56>4=>< 568 56B>< 5665 56<=>65AB25 56.56 56­@548:0B 56 ₂₅₆(56x56_{156,56 56}x56₂₅₆,56& ,56 56x56_n56)56 56 56=07K205BAO 56A;54AB285< 56?@548:0B0 56 ₁₅₆(56x56_{156,56 56}x56₂₅₆,56& ,56 56x56_n56)56,56 565A;8 56;N1>9 56=01>@,56 56C4>2;5B2>@ONI89 56 ₁₅₆(56x56_{156,56 56}x56₂₅₆,56& ,56 56x56_n56)56,56 56C4>2;5B2>@O5B 568 56 ₂₅₆(56x56_{156,56 56}x56₂₅₆,56& ,56 56x56_n56)56.56

56­@8<5@.56 56‑?@545;8< 56=0 56<=>65AB25 56=0BC@0;L=KE 56G8A5; 56>4=><5AB=K5 56?@548:0BK 56R56(56n56)56=56«56n56 5645;8BAO 56=0 56656»56 568 56Q56(56n56)56=56«56n56 5645;8BAO 56=0 56356»56.56 56">340 56Q56(56n56)56 56O2;O5BAO 56A;54AB285< 56R56(56n56)56,56 56=> 56=5 56=0>1>@>B,56 56B0: 56:0: 56Q56(56956)56=56156,56 56 56R56(56956)56=56056.56