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Исследование наилучших приближений непрерывных периодических функций тригонометрическими полиномами

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Ainoaea?noaaiiue eiieoao ?inneeneie Oaaea?aoeee ii aunoaio ia?aciaaieth

Na?aoianeee i?aeaia O?oaeiaiai E?aniiai Ciaiaie ainoaea?noaaiiue
oieaa?neoao ei. I.A.*a?iuoaaneiai

Eaoaae?a iaoaiaoe/aneiai aiaeeca

ENNEAAeIAAIEA IAEEO*OEO I?EAEEAEAIEE IAI?A?UAIUO IA?EIAeE*ANEEO OOIEOeEE
O?EAIIIIAO?E*ANEEIE IIEEIIIAIE

AeEIEIIIAss ?AAIOA

nooaeaioee 524 a?oiiu iaoaieei-iaoaiaoe/aneiai oaeoeueoaoa

*o?eeiie Ethaiae Aaneeueaaiu

Iao/iue ?oeiaiaeeoaeue

e.o.-i.i, aeioeaio

Oeiioaaa A. A.

Caaaaeothuee eaoaae?ie

aeieoi? o.-i.i., i?ioanni?

I?ioi?ia Ae.A.

a.Na?aoia-1996 a.Iaeaaeaiea.

Iaeiaiiaaiea No?.

Aaaaeaiea 3

§1. Iaeioi?ua aniiiiaaoaeueiua ii?aaeaeaiey 7

§2. I?inoaeoea naienoaa iiaeoeae ia?ia?uaiinoe 20

§3. Iaiauaiea oai?aiu Aeaeaeniia 24

§4. Iaiauaiea ia?aaainoaa N.I.Aa?iooaeia 27

§5. Aeeooa?aioeeaeueiua naienoaa o?eaiiiiao?e/aneeo iieeiiiia,
aii?ieneie?othueo caaeaiioth ooieoeeth 30

§6. Iaiauaiea ia?aoiuo oai?ai N. I. Aa?iooaeia e O.
Aaeea-Ionnaia 34

§7. Iniiaiay oai?aia 44

§8. ?aoaiea caaea/ 47

Eeoa?aoo?a 50

Aaaaeaiea

Aeeieiiiay ?aaioa iinayuaia enneaaeiaaieth iaeeo/oeo i?eaeeaeaiee
iai?a?uaiuo ia?eiaee/aneeo ooieoeee o?eaiiiiao?e/aneeie iieeiiiaie. A
iae aeathony iaiaoiaeeiua e aeinoaoi/iua oneiaey aeey oiai, /oiau
iaeeo/oea i?eaeeaeaiey eiaee caaeaiiue (noaiaiiie) ii?yaeie oauaaiey.

Aeeieiiiay ?aaioa iineo ?aoa?aoeaiue oa?aeoa? e ninoieo ec “Aaaaeaiey” e
ainueie ia?aa?aoia.

A ianoiyuae ?aaioa iu ?anniao?eaaai neaaeothuea caaea/e:

I?e eaeeo ia?aie/aieyo ia iai?a?uaioth ooieoeeth F(u) (-1 F u F +1) a?
iaeeo/oea i?eaeeaeaiey En [F;-1,+1] iaueiiaaiiuie iiiai/eaiaie eiatho
caaeaiiue ii?yaeie j (n-1 )?

I?e eaeeo ia?aie/aieyo ia iai?a?uaioth ia?eiaee/aneoth ooieoeeth f (x)
a? iaeeo/oaa i?eaeeaeaiea En[f] o?eaiiiiao?e/aneeie iieeiiiaie eiatho
caaeaiiue ii?yaeie j (n-1 )?

Iiaenoaiiaea u=cos(x) naiaeeo caaea/o 1 e caaea/a 2. Aeinoaoi/ii,
neaaeiaaoaeueii, ?anniao?eaaoue eeoue caaea/o 2.

Iu ia?aie/einy neo/aai, eiaaea j(d) I N a , aeey iaeioi?iai a , aaea
j(d) – ooieoeey n?aaiaiey ?-ai ii?yaeea e aeey 0a, e aeinoaoi/ii, /oiau
aeey iaeioi?iai iaoo?aeueiiai k>a

Eceiaeei oaia?ue e?aoei niaea?aeaiea eaaeaeiai ec ia?aa?aoia ?aaiou.

A §1 aea?ony ?yae aniiiiaaoaeueiuo ii?aaeaeaiee, eioi?ua iiiaaeiayony a
aeaeueiaeoae ?aaioa.

A §2 auaiaeyony iniiaiua naienoaa iiaeoeae iai?a?uaiinoe aunoeo
ii?yaeeia. Ii/oe ana yoe naienoaa eniieuecothony a aeaeueiaeoai oaenoa.

§3 iinayuai iaiauaieth oai?aiu Aeaeaeniia. Eae ecaanoii, Aeaeaenii
aeieacae neaaeothuoth oai?aio: anee f eiaao iai?a?uaioth r-oth
i?iecaiaeioth f (r) , oi

Oaeei ia?acii, oai?aia Aeaeaeniia aeaao ioeaieo naa?oo aeey iaeeo/oeo
i?eaeeaeaiee, anee ecaanoiu aeeooa?aioeeaeueiua naienoaa
aii?ieneie?oaiie ooieoeee.

A 1947 a. iiyaeeanue ?aaioa N.I.Aa?iooaeia [1]. Iaeia ec oai?ai yoie
?aaiou niaea?aeeo a ea/anoaa neaaenoaey oaeia i?aaeeiaeaiea: ionoue

Oiaaea

A §3 aeieacuaaai:

(*)

A §4 oi?ioee?oaony aeieacaiiia a ?aaioa N.A.Noa/eeia [2] iaiauaiea
ecaanoiiai ia?aaainoaa N.I.Aa?iooaeia [3], [4] aeey i?iecaiaeiuo io
o?eaiiiiao?e/aneiai iieeiiia. Iu i?eaiaeei caoai ?yae neaaenoaee ec
iaoaai ia?aaainoaa (*). Iie ea?atho nouanoaaiioth ?ieue i?e
aeieacaoaeuenoaa oai?ai §5.

A §5 ?anniao?eaaaony neaaeothuay caaea/a. Ionoue o?eaiiiiao?e/aneee
iieeiii tn , aeecie a ?aaiiia?iie iao?eea e caaeaiiie ooieoeee f eee
iineaaeiaaoaeueiinoue iieeiiiia {tn} aeinoaoi/ii oi?ioi aii?ieneie?oao
caaeaiioth ooieoeeth f. Eae naycaiu oiaaea aeeooa?aioeeaeueiua naienoaa
f n aeeooa?aioeeaeueiuie naienoaaie tn?

).

?aaiiia?ii ioiineoaeueii n.

, iaiaoiaeeii e aeinoaoi/ii /oiau

.

§6 iinayu?i “ia?aoiui oai?aiai” oai?ee i?eaeeaeaiey.

Ecaanoii i?aaeeiaeaiea: ionoue

.

.

Neo/ae oeaeiai a ?anniio?ai Ceaioiaeii. A yoii neo/aa

.

Iao?oaeii iieacaoue, /oi yoe aeaa i?aaeeiaeaiey yeaeaaeaioiu
neaaeothuaio: ionoue 0

§1. Iaeioi?ua aniiiiaaoaeueiua ii?aaeaeaiey. e ieoai Aaaae?i ?yae ii?aaeaeaiee. eeannii Eeioeoea ii?yaeea a iacuaaaony iiiaeanoai anao iai?a?uaiuo ooieoeey f, iiaeoeue iai?a?uaiinoe eaaeaeie ec eioi?uo oaeiaeaoai?yao oneiaeth aaea N8-eaeay-ieaoaeue iieiaeeoaeueiay iinoiyiiay, eioi?ay ia caaeneo io d e eioi?ay, aiiaua aiai?y, yaeyaony ?acee/iie aeey ?aciuo ooieoeee. Yoio eeann iaicia/aaony Ha eee Lip a. Ii?aaeaeaiea 2. Iaicia/ei i?e oeene?iaaiiii iaoo?aeueiii r /a?ac W(r)L eeann ooieoeee f, eioi?ay eiaao aaniethoii iai?a?uaiua i?iecaiaeiua aei (r-1) ii?yaeea e o eioi?ie r-y i?iecaiaeiay i?eiaaeeaaeeo eeanno L. Ii?aaeaeaiea 3. Aeey iai?a?uaiie ia [a,b] ooieoeee f (x) iacia?i iiaeoeai iai?a?uaiinoe ia?aiai ii?yaeea eee aea i?inoi iiaeoeai iai?a?uaiinoe ooieoeeth w(d)=w(f;d), ii?aaeae?iioth ia [0, b-a] i?e iiiiue neaaeothuaai ?aaainoaa: (1.1) eee, /oi oi aea naiia, (1.1’) Naienoaa iiaeoey iai?a?uaiinoe: w(0)=0; w(d) anoue ooieoeey, iiiioiiii aic?anoathuay; w(d) anoue ooieoeey iai?a?uaiay; (1.2) Aeieacaoaeuenoai. Naienoai 1) auoaeaao ec ii?aaeaeaiey iiaeoey iai?a?uaiinoe. , oi iieo/ei o.a. (1.3) a yoi e icia/aao, /oi ooieoeey w(d) iai?a?uaia. k-e ?aciinoueth ooieoeee f a oi/ea x n oaaii h iacuaaaony aaee/eia (1.4) k-e neiiao?e/iie ?aciinoueth - aaee/eia (1.4’) Eaiia 1. I?e ethauo iaoo?aeueiuo j e k ni?aaaaeeeai ?aaainoai (1.5) Aeieacaoaeuenoai. Aeaenoaeoaeueii, oae eae i?e ethaii iaoo?aeueiii k oi Eaiia aeieacaia. Eaiia 2. I?e ethauo iaoo?aeueiuo k e n aa?ia oi?ioea: (1.6) Aeieacaoaeuenoai. Ainiieuecoainy eiaeoeoeeae ii k. I?e k=1 oiaeaeanoai (1.6) i?iaa?yaony iaiin?aaenoaaiii: . I?aaeiieaaay aai ni?aaaaeeeainoue i?e k-1 (k?2), iieo/ei Eaiia aeieacaia. Ii?aaeaeaiea 5. Anee ecia?eiay ia?eiaea (b-a) ooieoeey f(x)ILq (Lq-eeann anao aauanoaaiiuo ecia?eiuo ia [a,b] ooieoeee f(x)), oi iiae a? eioaa?aeueiui iiaeoeai aeaaeeinoe ii?yaeea k?1 iiieiatho ooieoeeth oi ni?aaaaeeeai (1.7) Aeieacaoaeuenoai. A naiii aeaea, e oae aeaeaa. Eaiia aeieacaia. Ii?aaeaeaiea 6. Anee ooieoeey f(x) ia?aie/aia ia [a,b], oi iiae a? iiaeoeai aeaaeeinoe ii?yaeea k?1 iiieiatho ooieoeeth e a neo/aa, eiaaea k=1, i?aaenoaaeythuoth niaie iiaeoeue iai?a?uaiinoe. Naienoaa iiaeoeae aeaaeeinoe: anoue ooieoeey, iiiioiiii aic?anoathuay; anoue ooieoeey iai?a?uaiay; I?e ethaii iaoo?aeueiii n eiaao ianoi ( oi/iia) ia?aaainoai (1.8) -ia?aaainoai (1.8’) , oi (1.9) Aeieacaoaeuenoai. 1) Naienoai 1) iaiaaeeaiii auoaeaao ec oiai, /oi 2) Naienoai 2) aeieacuaaaony oi/ii oae aea, eae e aeey neo/ay iau/iiai iiaeoey iai?a?uaiinoe. 3) I?aaeiieaaay aeey ii?aaeae?iiinoe, /oi d>d’, iieo/ei

Yoei iai?a?uaiinoue ooieoeee wk(d) aeieacaia.

4) Eniieuecoy ?aaainoai eaiio 2 §1, eiaai

Yoei ia?aaainoai (1.8) aeieacaii. Ia?aaainoai (1.8’) neaaeoao ec
iiiioiiiinoe ooieoeee wk(t) e ia?aaainoaa (1.8).

5) Eniieuecoy ?aaainoaa eaiio 1 e eaiio 3 §1, iieo/ei

anoue iiaeoeue iai?a?uaiinoe k-ai ii?yaeea ooieoeee f, anee

-eiia/iay ?aciinoue ooieoeee f k-ai ii?yaeea n oaaii h:

iu aoaeai iacuaaoue iiaeoeai aeaaeeinoe.

-anoue ooieoeey n?aaiaiey k-ai ii?yaeea, anee iia oaeiaeaoai?yao
neaaeothuei oneiaeyi:

,

ia oauaaao,

,

anoue ooieoeey n?aaiaiey k-ai ii?yaeea (ni. Eaiio 5 §2).

, anee iaeae?ony eiinoaioa N10>0 oaeay, /oi

aoaeai ienaoue i?inoi Hka.

Anee aeey iineaaeiaaoaeueiinoe ooieoeee {fn} (n=1,2,…)

?aaiiia?ii ioiineoaeueii n.

yaeyaony anoanoaaiiui iaiauaieai eeannia Eeioeoea e eeannia ooieoeee,
eiathueo ia?aie/aiioth k-th i?iecaiaeioth.

, anee iia

1) anoue ooieoeey n?aaiaiey p-ai ii?yaeea e

ia oauaaao». Ooieoeee eeanna Na aoaeoo ea?aoue iniiaioth ?ieue ai an?i
aeaeueiaeoai eceiaeaiee.

,

.

I?e auiieiaiee yoeo oneiaee aoaeai ienaoue

.

Ii?aaeaeaiea 12. ssae?ii Aee?eoea n-ai ii?yaeea iacuaaaony ooieoeey

(1.10)

Yoi yae?i yaeyaony o?eaiiiiao?e/aneei iieeiiiii ii?yaeea n e i?e yoii

(1.10’)

Ii?aaeaeaiea 13. ssae?ii Oaea?a n-ai ii?yaeea iacuaaaony ooieoeey

(1.11)

ssae?i Oaea?a Fn(t) yaeyaony n?aaeiei a?eoiaoe/aneei ia?auo n yaea?
Aee?eoea, e cia/eo, yaeyaony o?eaiiiiao?e/aneei iieeiiiii ii?yaeea
(n-1). Oae /oi eiatho ianoi ?aaainoaa

(1.11’)

(1.11’’)

aaea Dk(t)-yae?a Aee?eoea.

Ii?aaeaeaiea 14. ssae?ii Aeaeaeniia n-ai ii?yaeea iacuaaaony ooieoeey

(1.12)

Naienoaa yaea? Aeaeaeniia.

a) I?e eaaeaeii n yae?i Jn(t) yaeyaony /?oiui iaio?eoeaoaeueiui
o?eaiiiiao?e/aneei iieeiiiii ii?yaeea 2n-2 aeaea

,

aaea jk=jk(n) – iaeioi?ua /enea

Aeieacaoaeuenoai.

a) O/eouaay, /oi aeey yaea? Fn(t) Oaea?a eiatho ianoi ?aaainoaa

iieo/ei

aaea jk(k=1,2,…,2n-2) -iaeioi?ua /enea, e a /anoiinoe, a neeo
i?oiaiiaeueiinoe o?eaiiiiao?e/aneie nenoaiu ooieoeee iaeaeai

Yoei naienoai a) aeieacaii.

a) Yoi ?aaainoai neaaeoao ec ?aaainoaa, iieo/aiiiai aeey j0.

(**), oi

a) Niaa?oaiii aiaeiae/ii neo/ath a) iieo/ei

*oi e o?aaiaaeinue aeieacaoue.

Ii?aaeaeaiea 15. ssae?ii oeia Aeaeaeniia ii?yaeea n iacuaaaony ooieoeey

, (1.13)

n=1,2,3,…,k-iaoo?aeueiia, aaea

(1.13’)

ssae?a oeia Aeaeaeniia iaeaaeatho neaaeothueie naienoaaie:

a) I?e oeene?iaaiiii iaoo?aeueiii k e i?iecaieueiii n yae?i Jn,k(t)

yaeyaony /?oiui iaio?eoeaoaeueiui o?eaiiiiao?e/aneei iieeiiiii ii?yaeea
k(n-1)

n2k-1, o.a. nouanoaotho iinoiyiiua N14>0 e N15>0, oaeea, /oi i?e anao
n=1,2,3,… aoaeao

a) I?e ethaii s>0 eiaao ianoi ia?aaainoai

Aeieacaoaeuenoai naienoa yaea? oeia Aeaeaeniia.

a) Yoi naienoai auoaeaao ec ?aaainoa ii?aaeaeaiey

a) Yoi naienoai neaaeoao ec 1-ai ia?aaainoaa ii?aaeaeaiey e ec oiai, /oi
a neeo ?aaainoa (1.11) e (1.11‘’) aoaeao

(1.14)

– iaeioi?ua oeaeua /enea.

a) O/eouaay ia?aaainoaa (**), aoaeai eiaoue

(1.15)

N ae?oaie noi?iiu

(1.15‘)

a) Yoi ia?aaainoai auoaeaao ec ia?aiai ?aaainoaa ii?aaeaeaiey e
ia?aaainoaa (1.15‘)

ae) Aeaenoaeoaeueii, n iaeiie noi?iiu, a neeo ia?aaainoa (1.15‘) e (**)

(1.16)

aaea A-const, a n ae?oaie noi?iiu, o/eouaay niioiioaiea (1.15),
ia?aaainoa (**) e ec ia?aaainoaa sintFt, i?e anao t?0 (***), eiaai

(1.16‘)

A1-const. Ia?aaainoaa (1.16) e (1.16‘) ?aaiineeueiu oneiaeth, /oi e
o?aaiaaeinue aeieacaoue.

§2. I?inoaeoea naienoaa iiaeoeae ia?ia?uaiinoe.

Yoio ia?aa?ao iineo aniiiiaaoaeueiue oa?aeoa?. Caeanue onoaiaaeeaaaony
ianeieueei i?inoaeoeo naienoa iiaeoey ia?ia?uaiinoe aunoeo ii?yaeeia.
Ana ?anniao?eaaaiua caeanue ooieoeee f1, f2, … – iai?a?uaiu.

EAIIA 1. Aeey ethaiai iaoo?aeueiiai k e ethaiai d?0

(2.1)

Aeieacaoaeuenoai: ii ii?aaeaeaieth,

Eaiia aeieacaia.

EAIIA 2. Ionoue f e l -iaoo?aeueiua /enea, l0, h>0. Oiaaea

(2.6)

Anee e?iia oiai 0

§3. Iaiauaiea oai?aiu Aeaeaeniia. Caeanue aoaeao iieo/aii iaaieueoia oneeaiea oai?aiu Aeaeaeniia i iaeeo/oeo i?eaeeaeaieyo ia?eiaee/aneeo ooieoeee o?eaiiiiao?e/aneeie iieeiiiaie. Eaiia 7. Ionoue aeaii iaoo?aeueiia /enei k. Nouanoaoao iineaaeiaaoaeueiinoue yaea?{Kn(t)}(n=0,1,...), aaea Kn(t) anoue o?eaiiiiao?e/aneee iieeiii ii?yaeea ia auoa n, oaeiaeaoai?ythuay oneiaeyi: (3.1) (3.2) (3.3) Yoo eaiio iiaeii n/eoaoue ecaanoiie. Eae iieacuaaao i?inoie iiaen/ao, niaa?oaiii aiaeiae/iue i?iaiaeeaoaiony Aeaeaeniiii, a ea/anoaa yaea? Kn(t) iiaeii acyoue yae?a Aeaeaeniia aeinoaoi/ii aunieie noaiaie, oi anoue iieiaeeoue iaoo?aeueiia p ii?aaeaeyaony ec ia?aaainoaa , a bp auae?athony oae, /oiau auea auiieiaia ii?ie?iaea (3.1). Eaiia 8. Anee iineaaeiaaoaeueiinoue yaea? {Kn(t)} oaeiaeaoai?yao anai oneiaeyi i?aaeuaeouae eaiiu, oi (3.4) Aeieacaoaeuenoai. Eiaai, iieuecoynue (3.2) e (3.3) Eaiia aeieacaia. Oai?aia 1. Ionoue k-iaoo?aeueiia /enei. Oiaaea (3.5) Aeieacaoaeuenoai. Ionoue iineaaeiaaoaeueiinoue yaea? {Kn(t)} (n=1,1,2,...) oaeiaeaoai?yao anai oneiaeyi eaiiu 7. Iieiaeei Eiaai Iiyoiio (3.6) , iieo/ei, /oi Ionthaea e ec (3.4) neaaeoao: Iiaenoaaeyy yoo ioeaieo a (3.6), iieo/aai ooaa?aeaeaiea oai?aiu. Oai?aia aeieacaia. Neaaenoaea 1.1. Ionoue k-iaoo?aeueiia /enei, r-oeaeia iaio?eoeaoaeueiia. Oiaaea (3.7) A naiii aeaea, niaeanii (2.12) e i?eiaiaiea oai?aiu 1 aea?o (3.7). §4. Iaiauaiea ia?aaainoaa N.I.Aa?iooaeia. A yoii ia?aa?aoa oi?ioee?oaony iaeii iaiauaiea ia?aaainoaa N.I.Aa?iooaeia aeey i?iecaiaeiuo io o?eaiiiiao?e/aneiai iieeiiia. . Oiaaea aeey ethaiai iaoo?aeueiiai k (4.1) e ia?aaainoai ia?auaaony a ia?aaainoai a oii e oieueei a oii neo/aa, anee Aeieacaoaeuenoai yoiai ia?aaainoaa iioaeeeiaaii a ?aaioa N.A.Noa/eeia [2]. Ioiaoei ianeieueei neaaenoaee ec yoiai ia?aaainoaa. Neaaenoaea 2.1. (ia?aaainoai N.I.Aa?iooaeia): (4.2) , iieo/aai (yoi ia?aaainoai aeieacaii N.I.Ieeieueneei [5]) ii ii eaiia 2 §2, ioeoaea e neaaeoao (4.2). Aeaa iineaaeieo ia?aaainoaa iaeiia?aiaiii ia?auathony a ?aaainoai oieueei a neo/aa, anee . Oiaaea (4.3) Ia?aia ia?aaainoai niaiaaeaao n ooaa?aeaeaieai oai?aiu 2, a aoi?ia auoaeaao ec ioeaiee (4.4) n?aaeiee /eai a (4.3) caeeth/ai iaaeaeo aeaoiy i?aaeaeaie, caaenyueie oieueei io q. . Oiaaea (4.5) A /anoiinoe, (4.6) Oiaaea (4.7) eiaai (4.8) A naiii aeaea, ec (4.4) eee (2.12) neaaeoao: e inoaaony ainiieueciaaoueny ia?aaainoaii (4.5). Oiaaea . (4.9) Aoi?ay iieiaeia ia?aaainoaa niaiaaeaao ni neaaenoaeai 2.4, a ia?aay iaiin?aaenoaaiii auoaeaao ec (2.7). §5. Aeeooa?aioeeaeueiua naienoaa o?eaiiiiao?e/aneeo iieeiiiia, aii?ieneie?othueo caaeaiioth ooieoeeth. A yoii ia?aa?aoa onoaiaaeeaaaony, /oi anee o?eaiiiiao?e/aneee iieeiii tn(x) aeecie e caaeaiiie ooieoeee f, oi aai iiaeoee iai?a?uaiinoe iiaeii ioeaieoue /a?ac iiaeoee iai?a?uaiinoe f. Oai?aia 3. Caoeene?oai iaoo?aeueiua /enea k e n e ionoue (5.1) (5.2) (5.3) (5.4) e (5.5) , oi (5.2) neeueiaa, /ai (5.4); iaeiaei (5.4) eiaao aieaa neiiao?e/ioth oi?io e /anoi oaeiaiaa a i?eeiaeaieyo. Aeieacaoaeuenoai. Aeieaaeai (5.2). Iieuecoynue (2.1), (2.2) e (5.1), eiaai . Oiaaea iieo/ei : iinea /aai (4.5) aea?o (5.5). (5.3) neaaeoao ec (5.5) a neeo (2.11). . Oiaaea ec (5.4) neaaeoao: . Ec ia?aaainoaa (2.7) auaiaeei . Oaeei ia?acii, oai?aia iieiinoueth aeieacaia. Neaaenoaea 3.1. Ionoue aeey iaeioi?iai iaoo?aeueiiai k e ethaiai iaoo?aeueiiai n (5.6) Oiaaea aeey ethaiai d>0

(5.7)

?aaiiia?ii ioiineoaeueii n.

Neaaenoaea 3.2. Ionoue aeey iaeioi?iai iaoo?aeueiiai k e ethaiai
iaoo?aeueiiai n

Oiaaea

(5.8)

, iaiaoiaeeii e aeinoaoi/ii, /oiau

(5.9)

?aaiiia?ii ioiineoaeueii n.

.

, iaiaoiaeeii e aeinoaoi/ii, /oiau

(5.10)

Yoi aeieacuaaaony aiaeiae/ii oai?aia 4, oieueei aianoi neaaenoaey 3.1
ioaeii ainiieueciaaoueny neaaenoaeai 3.2.

Ia?aaainoaa oai?aiu 3 eiatho oio iaaeinoaoie, /oi eo i?aaua /anoe yaii
caaenyo io eiinoaiou N20. Oaeei ia?acii, anee aianoi oeene?iaaiiiai
iiia?a n e iaeiiai iieeiiia tn ?anniao?eaaoue iineaaeiaaoaeueiinoue
iieeiiiia {tn} (n=1,2,…), oi N20 ieaaeaony, aiiaua aiai?y,
iacaaenyuae io n e oai?aia 3 aea?o ioeaiee, ia ?aaiiia?iua ioiineoaeueii
n. Iieaaeai eae ecaaaeoueny io yoiai iaoaeianoaa.

Oai?aia 6. Ionoue aeey iaeioi?iai iaoo?aeueiiai k

(5.11)

e

(5.12)

Oiaaea aeey ethaiai d>0

(5.13)

?aaiiia?ii ioiineoaeueii n.

. Ec ia?aaainoaa (5.2) neaaeoao, /oi

e ia iniiaaiee (5.11)

(5.14)

. Oiaaea iieo/ei

Ec yoiai ia?aaainoaa, a neeo (4.7), neaaeoao, /oi

, oi

Ionthaea

Ieii/aoaeueii,

e oai?aia aeieacaia.

A neaaeothuai ia?aa?aoa aoaeao iieacaii, eae iiaeii aeaeieciaieoue
ia?aie/aiey (5.11) oai?aiu 6.

§6. Iaiauaiea ia?aoiuo oai?ai N. I. Aa?iooaeia e

O. Aaeea-Ionnaia.

A yoii ia?aa?aoa iaiauathony e ooi/iythony oae iacuaaaiua “ia?aoiua
oai?aiu” oai?ee i?eaeeaeaiey. ?a/ue eae?o ia ioeaiea aeeooa?aioeeaeueiuo
naienoa ooieoeee f, anee ecaanoiu naienoaa iineaaeiaaoaeueiinoe a?
iaeeo/oeo i?eaeeaeaiee {En}.

Eaiia 9. Caaeaaeei iaoo?aeueiia /enei k, e ionoue

(6.1)

e

. (6.2)

Oiaaea

(6.3)

Aeieacaoaeuenoai. Eiaai, niaeanii (2.1),

Ii ec (2.10) e (6.2) iieo/aai

a ec (2.2) e (6.1)

Iiyoiio

eaaay /anoue yoiai ia?aaainoaa ia caaeneo io n, a iiyoiio

e eaiia aeieacaia.

iiaeao ieacaoueny i?aaeii/oeoaeueiaa.

ia oauaaao e

(6.4)

, iaiaoiaeeii e aeinoaoi/ii auiieiaiea oneiaey

(6.5)

Aeieacaoaeuenoai. Iaiaoiaeeiinoue oneiaey (6.5) auoaeaao ec neaaenoaey
3.2. Onoaiiaei aai aeinoaoi/iinoue, aeey /aai ainiieuecoainy eaiiie 9.
Iieo/aai:

iiyoiio

e oai?aia aeieacaia.

Ioiaoei aeaa neaaenoaey ec yoie oai?aiu.

ia oauaaao e

(6.6)

, iaiaoiaeeii e aeinoaoi/ii auiieiaiea oneiaey

(6.7)

Anee

e

(6.8)

oi

?aaiiia?ii ioiineoaeueii n.

Yoi auoaeaao ec oai?ai 7 e 6.

oneiaea (6.5) noaiiaeony eceeoiei. Nooue aeaea a oii, /oi i?e yoeo
ia?aie/aieyo (6.4) aea/?o (6.5).

Eaiia 10. Ionoue

(6.9)

. Oiaaea aeey ethaiai iaoo?aeueiiai k

(6.10)

Aeieacaoaeuenoai. Caoeene?oai iaoo?aeueiia /enei n, ii?aaeaeei
iaoo?aeueiia p ec oneiaee

iieiaeea

a oaeii aeaea:

, oi ionthaea

(6.11)

Ioeaiei Ul(k). Eiaai aeey l=1,2,…,p

ioeoaea

anoue o?eaiiiiao?e/aneee iieeiii ii?yaeea ia auoa nl. Iiyoiio ii
ia?aaainoao N.I. Aa?iooaeia,

(6.12)

Caiaoei oaia?ue, /oi, a neeo ii?aaeaeaiey iineaaeiaaoaeueiinoe {nl},

(6.13)

I?e iiiiue (6.11), (6.12) e (6.13) iaoiaeei ieii/aoaeueii:

e eaiia aeieacaia.

(6.14)

Aeieacaoaeuenoai. Eiaai

Ionthaea, ii eaiia 10,

Ainiieuecoainy oaia?ue eaiiie 9. Iieo/aai:

. E?iia oiai,

e oai?aia aeieacaia.

, iaiaoiaeeii e aeinoaoi/ii auiieiaiea oneiaey

(6.15)

,

e oai?aia aeieacaia.

yeaeaaeaioiu.

. Anee

?aaiiia?ii ioiineoaeueii n.

?anniio?ei oaia?ue neaaeothuee aii?in. eae naycaiu i?eaeeaeaiey ooieoeee
f n i?eaeeaeaieyie e aeeooa?aioeeaeueiuie naienoaaie a? i?iecaiaeiuo f
(r)?

Oai?aia 10. Caaeaaeei iaoo?aeueiia /enei r, e ionoue

(6.16)

aaea

(6.17)

Oiaaea f eiaao iai?a?uaioth i?iecaiaeioth f(r) e

(6.18)

?aaiiia?ii ioiineoaeueii x. A oiaea aeieacaoaeuenoaa oai?aiu 10 iu
aiiaue onoaiiaei yoi i?aaeeiaeaiea.

?aaiiia?ii ioiineoaeueii x. Ionthaea neaaeoao, /oi anee {nk}
(k=0,1,2,…) anoue aic?anoathuay iineaaeiaaoaeueiinoue iiia?ia, oi

Caoeene?oai iaoo?aeueiia /enei n e iieiaeei

Oiaaea aoaeai eiaoue

(6.19)

aaea

Aeieaaeai, /oi oi?ioeo (6.19) iiaeii i?iaeeooa?aioee?iaaoue ii/eaiii r
?ac, o.a.

(6.20)

. Eiaai

ioeoaea

. Ii ia?aaainoao N.I.Aa?iooaeia,

Iieuecoynue yoie ioeaieie, iieo/aai:

Ii

Iiyoiio

(6.21)

, a aianoa n yoei onoaiiaeaia e oi?ioea (6.20). Ec (6.20) e (6.21)
auoaeaao, /oi

e oai?aia aeieacaia.

A iaeioi?uo neo/ayo ioeaiea (6.18) iiaeao auoue oi?iuaia. Ionoue,
iai?eia?,

(6.22)

Oiaaea

Iiyoiio i?e auiieiaiee oneiaey (6.22) aianoi (6.18) iiaeii iaienaoue

Neaaenoaea 10.1. Ionoue r-iaoo?aeueiia /enei e noiaeeony ?yae

Oiaaea

(6.23)

Oai?aia 11. Ionoue r-iaoo?aeueiia /enei e aeey ooieoeee f noiaeeony ?yae

(6.24)

Aeieacaoaeuenoai. Eiaai

Ionthaea, ii eaiia 10,

Aeaeaa, niaeanii oai?aia 10,

Ainiieuecoainy oaia?ue eaiiie 9. Iieo/aai

Caiaoei, /oi

, oi

e oai?aia aeieacaia.

§7. Iniiaiay oai?aia.

Ia?aoeiny oaia?ue e ?anniio?aieth neaaeothuaai aii?ina: eaeiau
iaiaoiaeeiua e aeinoaoi/iua oneiaey oiai, /oiau

-caaeaiiay iaaic?anoathuay ooieoeey?

.

(7.1)

Oiaaea nouanoaoao oaeay eiinoaioa n>0, /oi

(7.2)

Aeieacaoaeuenoai. Niaeanii (7.1), iaeaeoony aeaa oaeea eiinoaiou N60>0 e
C61>0, /oi

(7.3)

Iineaaeiaa ec yoeo ia?aaainoa, oai?aia 1 e oai?aia 3 aeaeoo ia?aaainoai

(7.4)

A neeo (2.1) e (2.2), eiaai

Ionthaea

Iieuecoynue (7.3) e (7.4), iaoiaeei, aeaeaa

(7.5)

Iiaenoaaeyy yoo ioeaieo a (7.5), iieo/aai

(7.6)

. Iieiaeei a (7.6)

Oiaaea iieo/ei ieii/aoaeueii

e eaiia aeieacaia.

. Aeey oiai /oiau

(7.7)

. (7.8)

Aeieacaoaeuenoai. Ionoue eiaao ianoi (7.7), o.a. iaeaeoony aeaa
iieiaeeoaeueiua eiinoaiou N67 e N68, aeey eioi?uo

(7.9)

Oiaaea, ii oai?aia 1 e a neeo ia?aie iieiaeiu ia?aaainoaa (7.9), aeey
ethaiai k eiaai

o.a.

,

,

Yoei caeai/eaaaony aeieacaoaeuenoai iaiaoiaeeiinoe oneiaey (7.8).

Ionoue eiaao ianoi (7.8):

(7.10)

n N73>0. Oiaaea ii oai?aia 1 e a neeo aoi?ie iieiaeiu ia?aaainoaa
(6.10),

a ii eaiia 11,

aaea N77>0.

Oaeei ia?acii, onoaiiaeaia aeinoaoi/iinoue oneiaey (7.8), e iniiaiay
oai?aia iieiinoueth aeieacaia.

naa?oo e nieco eiatho ?aciua ii?yaeee.

e

(7.11)

Oiaaea

(7.12)

Aeieacaoaeuenoai. Eiaai, eae i?e aeieacaoaeuenoaa eaiiu 11,

Iieiaeei caeanue

Oiaaea iieo/ei, /oi

Oai?aia aeieacaia.

§8. ?aoaiea caaea/.

iieacai ia ?en.8.2.

?en. 8.1. ?en. 8.2.

ia anth inue.

?en. 8.3.

?en. 8.4.

oae, /oi (?en. 8.3)

oi (?en. 8.4)

ia aeinoeaaao naiaai iaeaieueoaai cia/aiey e, neaaeiaaoaeueii,
ioee/aaony io iiaeoey iai?a?uaiinoe yoie ooieoeee ia anae ine.

ooieoeey

yaeyaony iiaeoeai iai?a?uaiinoe.

ooieoeey

yaeyaony iiaeoeai iai?a?uaiinoe.

aoaeao

.

Eeoa?aoo?a.

Aa?iooaei N.I. I naienoaao iaeii?iaeiuo ooieoeeiiaeueiuo eeannia //
Aeieeaaeu Ae. Iaoe NNN?,-1947.-?57.-n.111-114.

Noa/eei N.A. I ii?yaeea iaeeo/oeo i?eaeeaeaiee iai?a?uaiuo ooieoeee //
Aeieeaaeu Ae. Iaoe NNN?,-1949.-?65.-n.135-137.

Aa?iooaei N.I. I iaeeo/oai i?eaeeaeaiee iai?a?uaiuo ooieoeee
iin?aaenoaii iiiai/eaiia aeaiiie noaiaie // Niiau. Oa?uee. Iaoai. i-aa
(2), -1912.-?13.-n.49-144.

Aa?iooaei N.I. Yeno?aiaeueiua naienoaa iieeiiiia e iaeeo/oaa
i?eaeeaeaiea iai?a?uaiuo ooieoeee iaeiie aauanoaaiiie ia?aiaiiie. *anoue
I,-I.-E.,-1937.

Ieeieueneee N. Iaiauaiea iaeiiai ia?aaainoaa N.I.Aa?iooaeia // Aeieeaaeu
Ae. Iaoe NNN?,-1948.-?65.-n.135-137.

Aii/a?ia A.E. Oai?ey eioa?iiee?iaaiey e i?eaeeaeaiey
ooieoeee.-I.-E.,-1934.

Aecyaeue A.E. Aaaaeaiea a oai?eth ?aaiiia?iiai i?eaeeaeaiey ooieoeee
iieeiiiaie. -I.: Iaoea.-1977.-n.512.

Noa/eei N.A. I ii?yaeea iaeeo/oeo i?eaeeaeaiee iai?a?uaiuo ooieoeee //
Aeieeaaeu Ae. Iaoe NNN?,-1949.-?65.-n.135-137.

Oeiai A.O. Oai?ey i?eaeeaeaiey ooieoeee ooieoeee aeaenoaeoaeueiiai
ia?aiaiiiai. -I.:AEOIE,-1960.-n. 624.

Aoeaca? I.E. Eaeoeee ii oai?ee aii?ieneiaoeee.-I.:AEOOE,-1947.-324.

A?anoia A.A. I ?aaiiia?iie ?aaoey?ecaoeee caaea/e au/eneaiey cia/aiee
iia?aoi?a // Iaoaiaoe/aneea caiaoee,-o.22.-1977.-?2.-n.231-243.

Noa/eei N.A. I ii?yaeea iaeeo/oeo i?eaeeaeaiee iai?a?uaiuo ooieoeee //
Eca. AI NNN?-Iaoaiaoeea,-1931.-?15.-n.219-242.

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