❋❋❚ Pr♦❣r❛♠ ●❡♥❡r❛t✐♦♥ ❢♦r ❙❤❛r❡❞ ▼❡♠♦r②✿ ❙▼P ❛♥❞ ▼✉❧t✐❝♦r❡
❋✳ ❋r❛♥❝❤❡tt✐✱ ❨✳ ❱♦r♦♥❡♥❦♦✱ ▼✳ Püs❝❤❡❧ ❊❧❡❝tr✐❝❛❧ ❛♥❞ ❈♦♠♣✉t❡r ❊♥❣✐♥❡❡r✐♥❣ ❈❛r♥❡❣✐❡ ▼❡❧❧♦♥ ❯♥✐✈❡rs✐t②
◆✐❝♦❧❛ ▼❛r❝❛❝❝✐ ❘♦ss✐✱ ✸✶✳ ❖❦t♦❜❡r ✷✵✶✶
Prr rt r r r - - PowerPoint PPT Presentation
Prr rt r r r P tr rtt r Ps
◆✐❝♦❧❛ ▼❛r❝❛❝❝✐ ❘♦ss✐✱ ✸✶✳ ❖❦t♦❜❡r ✷✵✶✶
❋✐rst P❛rt✿ ❋r♦♠ t❤❡ ❛❧❣♦r✐t❤♠ t♦ t❤❡ ❝♦❞❡ ❙❡❝♦♥❞ P❛rt✿ ❙♣✐r❛❧ ❡①t❡♥s✐♦♥ ❢♦r ❙❤❛r❡❞ ▼❡♠♦r② ❉✐s❝✉ss✐♦♥
❚❤❡ ♣r♦❜❧❡♠✿
❉❋❚N = [wkl
N ]0≤k,l<N
wn = e−2πi/N
❉❋❚ ❉❋❚ ❉❋❚
❚❤❡ ♣r♦❜❧❡♠✿
❉❋❚N = [wkl
N ]0≤k,l<N
wn = e−2πi/N
❆❧❣♦r✐t❤♠s✿ ◮ ❉✐r❡❝t ▼❛tr✐①✲❱❡❝t♦r
◮ ❋❛st ❋♦✉r✐❡r ❚r❛♥s❢♦r♠s✿
❉❋❚ ❉❋❚ ❉❋❚
❚❤❡ ♣r♦❜❧❡♠✿
❉❋❚N = [wkl
N ]0≤k,l<N
wn = e−2πi/N
❆❧❣♦r✐t❤♠s✿ ◮ ❉✐r❡❝t ▼❛tr✐①✲❱❡❝t♦r
◮ ❋❛st ❋♦✉r✐❡r ❚r❛♥s❢♦r♠s✿
❈♦♦❧❡②✲❚✉❦❡② ❋❋❚ ◮ ❉✐✈✐❞❡ ❛♥❞ ❈♦♥q✉❡r ◮ ▼❛tr✐① ❢❛❝t♦r✐③❛t✐♦♥✿
❉❋❚mnx = (❉❋❚m ⊗ In)Dm,n(Im ⊗ ❉❋❚n)Lmn
m x ◮ ❆ss✉♠❡ N = 2k ◮ ❇❛s❡ ❝❛s❡✿ ❉❋❚2
❚❤❡ ♣r♦❜❧❡♠✿
❉❋❚N = [wkl
N ]0≤k,l<N
wn = e−2πi/N
❆❧❣♦r✐t❤♠s✿ ◮ ❉✐r❡❝t ▼❛tr✐①✲❱❡❝t♦r
◮ ❋❛st ❋♦✉r✐❡r ❚r❛♥s❢♦r♠s✿
❈♦♦❧❡②✲❚✉❦❡② ❋❋❚ ◮ ❉✐✈✐❞❡ ❛♥❞ ❈♦♥q✉❡r ◮ ▼❛tr✐① ❢❛❝t♦r✐③❛t✐♦♥✿
❉❋❚mnx = (❉❋❚m ⊗ In)Dm,n(Im ⊗ ❉❋❚n)Lmn
m x ◮ ❆ss✉♠❡ N = 2k ◮ ❇❛s❡ ❝❛s❡✿ ❉❋❚2
✶ ❙t❛rt ❢♦r♠✉❧❛✿ ❉❋❚N ❈♦♦❧❡②✲❚✉❦❡② ❘✉❧❡✿
m
✶s♦✉r❝❡✿ ❋❋❚ Pr♦❣r❛♠ ●❡♥❡r❛t✐♦♥ ❢♦r ❙❤❛r❡❞ ▼❡♠♦r②✿ ❙▼P ❛♥❞ ▼✉❧t✐❝♦r❡
✶ ❙t❛rt ❢♦r♠✉❧❛✿ ❉❋❚N ❈♦♦❧❡②✲❚✉❦❡② ❘✉❧❡✿
m
❊①❛♠♣❧❡✿
2)L9 2
✶s♦✉r❝❡✿ ❋❋❚ Pr♦❣r❛♠ ●❡♥❡r❛t✐♦♥ ❢♦r ❙❤❛r❡❞ ▼❡♠♦r②✿ ❙▼P ❛♥❞ ▼✉❧t✐❝♦r❡
✶ ❙t❛rt ❢♦r♠✉❧❛✿ ❉❋❚N ❈♦♦❧❡②✲❚✉❦❡② ❘✉❧❡✿
m
❙P▲ t♦ ❝♦❞❡ tr❛♥s❧❛t✐♦♥ t❛❜❧❡✿
y = (AnBn)x t❬✵✿✶✿♥✲✶❪ ❂ ❇✭①❬✵✿✶✿♥✲✶❪✮❀ ②❬✵✿✶✿♥✲✶❪ ❂ ❆✭t✭❬✵✿✶✿♥✲✶❪✮❀ y = (Im ⊗ An)x ❢♦r ✭✐❂✵❀✐❁♠❀✐✰✰✮ ②❬✐✯♥✿✶✿✐✯♥✰♥✲✶❪ ❂ ❆✭①❬✐✯♥✿✶✿✐✯♥✰♥✲✶❪✮❀ ✳✳✳ ✳✳✳
✶s♦✉r❝❡✿ ❋❋❚ Pr♦❣r❛♠ ●❡♥❡r❛t✐♦♥ ❢♦r ❙❤❛r❡❞ ▼❡♠♦r②✿ ❙▼P ❛♥❞ ▼✉❧t✐❝♦r❡
✶ ❙t❛rt ❢♦r♠✉❧❛✿ ❉❋❚N ❈♦♦❧❡②✲❚✉❦❡② ❘✉❧❡✿
m
❙P▲ t♦ ❝♦❞❡ tr❛♥s❧❛t✐♦♥ t❛❜❧❡✿
y = (AnBn)x t❬✵✿✶✿♥✲✶❪ ❂ ❇✭①❬✵✿✶✿♥✲✶❪✮❀ ②❬✵✿✶✿♥✲✶❪ ❂ ❆✭t✭❬✵✿✶✿♥✲✶❪✮❀ y = (Im ⊗ An)x ❢♦r ✭✐❂✵❀✐❁♠❀✐✰✰✮ ②❬✐✯♥✿✶✿✐✯♥✰♥✲✶❪ ❂ ❆✭①❬✐✯♥✿✶✿✐✯♥✰♥✲✶❪✮❀ ✳✳✳ ✳✳✳
❙❡❛r❝❤ s♣❛❝❡✿
✶s♦✉r❝❡✿ ❋❋❚ Pr♦❣r❛♠ ●❡♥❡r❛t✐♦♥ ❢♦r ❙❤❛r❡❞ ▼❡♠♦r②✿ ❙▼P ❛♥❞ ▼✉❧t✐❝♦r❡
◆❡✇ t❛❣✿
s♠♣(p,µ)
◮ ◆✉♠❜❡r ♦❢ ♣r♦❝❡ss♦rs✿ p ◮ ❈❛❝❤❡ ❧✐♥❡ s✐③❡✿ µ ❋✐♥❞ ♣❛r❛❧❧❡❧ ❈♦♦❧❡②✲❚✉❦❡②✿
s♠♣(p,µ)
◆❡✇ t❛❣✿
s♠♣(p,µ)
◮ ◆✉♠❜❡r ♦❢ ♣r♦❝❡ss♦rs✿ p ◮ ❈❛❝❤❡ ❧✐♥❡ s✐③❡✿ µ ❋✐♥❞ ♣❛r❛❧❧❡❧ ❈♦♦❧❡②✲❚✉❦❡②✿
s♠♣(p,µ)
❙t❡♣s✿ ◮ ■❞❡♥t✐❢② ♣❛r❛❧❧❡❧ ❝♦♥str✉❝ts
◮ ❉❡✜♥❡ r❡✇r✐t✐♥❣ r✉❧❡s ◮ ❉❡r✐✈❡ ❛ ♣❛r❛❧❧❡❧ ❈♦♦❧❡②✲❚✉❦❡②
◆❡✇ t❛❣✿
s♠♣(p,µ)
◮ ◆✉♠❜❡r ♦❢ ♣r♦❝❡ss♦rs✿ p ◮ ❈❛❝❤❡ ❧✐♥❡ s✐③❡✿ µ ❋✐♥❞ ♣❛r❛❧❧❡❧ ❈♦♦❧❡②✲❚✉❦❡②✿
s♠♣(p,µ)
❙t❡♣s✿ ◮ ■❞❡♥t✐❢② ♣❛r❛❧❧❡❧ ❝♦♥str✉❝ts
◮ ❉❡✜♥❡ r❡✇r✐t✐♥❣ r✉❧❡s ◮ ❉❡r✐✈❡ ❛ ♣❛r❛❧❧❡❧ ❈♦♦❧❡②✲❚✉❦❡② ■ss✉❡s✿ ◮ ▲♦❛❞ ❇❛❧❛♥❝✐♥❣ ◮ ❙②♥❝❤r♦♥✐③❛t✐♦♥ ♦✈❡r❤❡❛❞ ◮ ❋❛❧s❡ ❙❤❛r✐♥❣
❈✐r❝✉♠st❛♥❝❡s✿ ◮ ❉✐✛❡r❡♥t ❞❛t❛ ◮ ❙❛♠❡ ❝❛❝❤❡ ❧✐♥❡ ◮ ❈♦♥s❡❝✉t✐✈❡ ❛❝❝❡ss❡s ▲❡❛❞s t♦ ❝❛❝❤❡ ❧✐♥❡ t❤r❛s❤✐♥❣ ❙♦❧✉t✐♦♥✿ ♦♥❡ ♣r♦❝❡ss♦r ♣❡r ❝❛❝❤❡
★♣r❛❣♠❛ ♦♠♣ ♣❛r❛❧❧❡❧ ❢♦r s❝❤❡❞✉❧❡✭st❛t✐❝✮ s❤❛r❡❞✭①✱ ②✮ ❢♦r ✭✐❂✵❀ ✐❁♣❀ ✐✰✰✮ ②❬✐✯♥✿✶✿✐✯♥✲✶❪ ❂ ❆✭①❬✐✯♥✿✶✿✐✯♥✰♥✲✶❪✮❀
▼✉❧t✐♣❧✐❝❛t✐♦♥ ✇✐t❤ ❛ ❇❧♦❝❦✲❉✐❛❣♦♥❛❧
❊♠❜❛r❛ss✐♥❣❧② ♣❛r❛❧❧❡❧
★♣r❛❣♠❛ ♦♠♣ ♣❛r❛❧❧❡❧ ❢♦r s❝❤❡❞✉❧❡✭st❛t✐❝✮ s❤❛r❡❞✭①✱ ②✮ ❢♦r ✭✐❂✵❀ ✐❁♣❀ ✐✰✰✮ ②❬✐✯♥✿✶✿✐✯♥✲✶❪ ❂ ❆✭①❬✐✯♥✿✶✿✐✯♥✰♥✲✶❪✮❀
▼✉❧t✐♣❧✐❝❛t✐♦♥ ✇✐t❤ ❛ ❇❧♦❝❦✲❉✐❛❣♦♥❛❧
❊♠❜❛r❛ss✐♥❣❧② ♣❛r❛❧❧❡❧ ■♠♣❧❡♠❡♥t❛t✐♦♥✿ ❖▼P ❢♦r
★♣r❛❣♠❛ ♦♠♣ ♣❛r❛❧❧❡❧ ❢♦r s❝❤❡❞✉❧❡✭st❛t✐❝✮ s❤❛r❡❞✭①✱ ②✮ ❢♦r ✭✐❂✵❀ ✐❁♣❀ ✐✰✰✮ ②❬✐✯♥✿✶✿✐✯♥✲✶❪ ❂ ❆✭①❬✐✯♥✿✶✿✐✯♥✰♥✲✶❪✮❀
▼✉❧t✐♣❧✐❝❛t✐♦♥ ✇✐t❤ ❛ ❇❧♦❝❦✲❉✐❛❣♦♥❛❧
❊♠❜❛r❛ss✐♥❣❧② ♣❛r❛❧❧❡❧ ■♠♣❧❡♠❡♥t❛t✐♦♥✿ ❖▼P ❢♦r
(P ⊗ Iµ)
(P ⊗ Iµ)
❊①❛♠♣❧❡✿
(P ⊗ Iµ)
❊①❛♠♣❧❡✿
■♠♣❧❡♠❡♥t❛t✐♦♥ ✭♥♦ ❞❛t❛ ♣❡r♠✉t❛t✐♦♥✦✮✿
(P ⊗ Iµ)
❊①❛♠♣❧❡✿
■♠♣❧❡♠❡♥t❛t✐♦♥ ✭♥♦ ❞❛t❛ ♣❡r♠✉t❛t✐♦♥✦✮✿ ◮ ▼♦❞✐❢② ❛❝❝❡ss ♣❛tt❡r♥ ♦❢ ♥❡①t ❝♦♥str✉❝t
■❞❡♥t✐❢② ❛♣♣r♦♣r✐❛t❡
◮ ❚r❛♥s❢♦r♠ ❈♦♦❧❡②✲❚✉❦❡②
◮ ❉♦♥✬t ❡①✐st ❢♦r ❛❧❧
◮ ❚❤❡② ❡①✐st ❢♦r ❋❋❚✿ ❛
s♠♣ s♠♣ s♠♣ ✭✶✮ s♠♣ s♠♣ ✭✷✮ s♠♣ s♠♣ s♠♣ s♠♣ s♠♣ ✭✸✮ s♠♣ ✭✹✮ s♠♣ ✭✺✮ s♠♣ ✭✻✮
■❞❡♥t✐❢② ❛♣♣r♦♣r✐❛t❡
◮ ❚r❛♥s❢♦r♠ ❈♦♦❧❡②✲❚✉❦❡②
◮ ❉♦♥✬t ❡①✐st ❢♦r ❛❧❧
◮ ❚❤❡② ❡①✐st ❢♦r ❋❋❚✿ ❛
AB
→ A
B
✭✶✮ Am ⊗ In
→ (Lmp m ⊗ In/p)(Ip ⊗ (Am ⊗ In/p))(Lmp p ⊗ In/p)
✭✷✮ Lmn m s♠♣(p,µ) → (Ip ⊗ Lmn/p m/p )
(Lpn p ⊗ Im/p)
(Lpm m ⊗ In/p)
(Ip ⊗ Lmn/p m )
✭✸✮ Im ⊗ An
→ Ip ⊗ (Im/p ⊗ An) ✭✹✮ (P ⊗ In)
→ (P ⊗ In/µ) ⊗ Iµ ✭✺✮ D
→ p−1
Di ✭✻✮
❘❡❝❛❧❧ t❤❡ ❈♦♦❧❡②✲❚✉❦❡② ❋❋❚ r✉❧❡✿
m
s♠♣
❘❡❝❛❧❧ t❤❡ ❈♦♦❧❡②✲❚✉❦❡② ❋❋❚ r✉❧❡✿
m
❈♦♦❧❡②✲❚✉❦❡② ❋❋❚ ❛❞❛♣t❡❞ ❢♦r ❙❤❛r❡❞ ▼❡♠♦r②✿
s♠♣(p,µ)
m ⊗ In/pµ) ⊗ Iµ)(Ip ⊗ (❉❋❚m ⊗ In/p))((Lmp p
m,n
m/p )
p ⊗ Im/pµ) ⊗ Iµ)
✷
✷s♦✉r❝❡✿ ❋❋❚ Pr♦❣r❛♠ ●❡♥❡r❛t✐♦♥ ❢♦r ❙❤❛r❡❞ ▼❡♠♦r②✿ ❙▼P ❛♥❞ ▼✉❧t✐❝♦r❡
✷ P❡❝✉❧✐❛r✐t✐❡s ♦❢ ❋❋❚❲ ◮ ❙t❛t❡✲♦❢✲t❤❡✲❛rt ♠✉❧t✐t❤r❡❛❞✐♥❣
◮ ❖♣t✐♠✐③❡❞ ❢♦r ❜✐❣ ♣r♦❜❧❡♠ s✐③❡s
◮ ❉♦❡s ♥♦t ✉s❡ µ✱ p ❡①♣❧✐❝✐t❧②
✷s♦✉r❝❡✿ ❋❋❚ Pr♦❣r❛♠ ●❡♥❡r❛t✐♦♥ ❢♦r ❙❤❛r❡❞ ▼❡♠♦r②✿ ❙▼P ❛♥❞ ▼✉❧t✐❝♦r❡
✷ P❡❝✉❧✐❛r✐t✐❡s ♦❢ ❋❋❚❲ ◮ ❙t❛t❡✲♦❢✲t❤❡✲❛rt ♠✉❧t✐t❤r❡❛❞✐♥❣
◮ ❖♣t✐♠✐③❡❞ ❢♦r ❜✐❣ ♣r♦❜❧❡♠ s✐③❡s
◮ ❉♦❡s ♥♦t ✉s❡ µ✱ p ❡①♣❧✐❝✐t❧② ❆❞✈❛♥t❛❣❡s ♦❢ ❙♣✐r❛❧ ◮ ❊♥❛❜❧❡s ❤✐❣❤✲❧❡✈❡❧ ♦♣t✐♠✐③❛t✐♦♥s
◮ ◆♦ ♥❡❡❞ ❢♦r ❧♦♦♣ ❛♥❛❧②s✐s ◮ ❆✉t♦♠❛t✐③❡s ✐♠♣❧❡♠❡♥t❛t✐♦♥ ✷s♦✉r❝❡✿ ❋❋❚ Pr♦❣r❛♠ ●❡♥❡r❛t✐♦♥ ❢♦r ❙❤❛r❡❞ ▼❡♠♦r②✿ ❙▼P ❛♥❞ ▼✉❧t✐❝♦r❡