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Mirrors > Home > MPE Home > Th. List > Mathboxes > circlemethnat | Structured version Visualization version GIF version |
Description: The Hardy, Littlewood and Ramanujan Circle Method, Chapter 5.1 of [Nathanson] p. 123. This expresses 𝑅, the number of different ways a nonnegative integer 𝑁 can be represented as the sum of at most 𝑆 integers in the set 𝐴 as an integral of Vinogradov trigonometric sums. (Contributed by Thierry Arnoux, 13-Dec-2021.) |
Ref | Expression |
---|---|
circlemethnat.r | ⊢ 𝑅 = (♯‘(𝐴(repr‘𝑆)𝑁)) |
circlemethnat.f | ⊢ 𝐹 = ((((𝟭‘ℕ)‘𝐴)vts𝑁)‘𝑥) |
circlemethnat.n | ⊢ 𝑁 ∈ ℕ0 |
circlemethnat.a | ⊢ 𝐴 ⊆ ℕ |
circlemethnat.s | ⊢ 𝑆 ∈ ℕ |
Ref | Expression |
---|---|
circlemethnat | ⊢ 𝑅 = ∫(0(,)1)((𝐹↑𝑆) · (exp‘((i · (2 · π)) · (-𝑁 · 𝑥)))) d𝑥 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | circlemethnat.r | . . . 4 ⊢ 𝑅 = (♯‘(𝐴(repr‘𝑆)𝑁)) | |
2 | nnex 11909 | . . . . . . . . . . . . . 14 ⊢ ℕ ∈ V | |
3 | circlemethnat.a | . . . . . . . . . . . . . 14 ⊢ 𝐴 ⊆ ℕ | |
4 | indf 31883 | . . . . . . . . . . . . . 14 ⊢ ((ℕ ∈ V ∧ 𝐴 ⊆ ℕ) → ((𝟭‘ℕ)‘𝐴):ℕ⟶{0, 1}) | |
5 | 2, 3, 4 | mp2an 688 | . . . . . . . . . . . . 13 ⊢ ((𝟭‘ℕ)‘𝐴):ℕ⟶{0, 1} |
6 | pr01ssre 31040 | . . . . . . . . . . . . . 14 ⊢ {0, 1} ⊆ ℝ | |
7 | ax-resscn 10859 | . . . . . . . . . . . . . 14 ⊢ ℝ ⊆ ℂ | |
8 | 6, 7 | sstri 3926 | . . . . . . . . . . . . 13 ⊢ {0, 1} ⊆ ℂ |
9 | fss 6601 | . . . . . . . . . . . . 13 ⊢ ((((𝟭‘ℕ)‘𝐴):ℕ⟶{0, 1} ∧ {0, 1} ⊆ ℂ) → ((𝟭‘ℕ)‘𝐴):ℕ⟶ℂ) | |
10 | 5, 8, 9 | mp2an 688 | . . . . . . . . . . . 12 ⊢ ((𝟭‘ℕ)‘𝐴):ℕ⟶ℂ |
11 | cnex 10883 | . . . . . . . . . . . . 13 ⊢ ℂ ∈ V | |
12 | 11, 2 | elmap 8617 | . . . . . . . . . . . 12 ⊢ (((𝟭‘ℕ)‘𝐴) ∈ (ℂ ↑m ℕ) ↔ ((𝟭‘ℕ)‘𝐴):ℕ⟶ℂ) |
13 | 10, 12 | mpbir 230 | . . . . . . . . . . 11 ⊢ ((𝟭‘ℕ)‘𝐴) ∈ (ℂ ↑m ℕ) |
14 | 13 | elexi 3441 | . . . . . . . . . 10 ⊢ ((𝟭‘ℕ)‘𝐴) ∈ V |
15 | 14 | fvconst2 7061 | . . . . . . . . 9 ⊢ (𝑎 ∈ (0..^𝑆) → (((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎) = ((𝟭‘ℕ)‘𝐴)) |
16 | 15 | adantl 481 | . . . . . . . 8 ⊢ (((⊤ ∧ 𝑐 ∈ (ℕ(repr‘𝑆)𝑁)) ∧ 𝑎 ∈ (0..^𝑆)) → (((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎) = ((𝟭‘ℕ)‘𝐴)) |
17 | 16 | fveq1d 6758 | . . . . . . 7 ⊢ (((⊤ ∧ 𝑐 ∈ (ℕ(repr‘𝑆)𝑁)) ∧ 𝑎 ∈ (0..^𝑆)) → ((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)‘(𝑐‘𝑎)) = (((𝟭‘ℕ)‘𝐴)‘(𝑐‘𝑎))) |
18 | 17 | prodeq2dv 15561 | . . . . . 6 ⊢ ((⊤ ∧ 𝑐 ∈ (ℕ(repr‘𝑆)𝑁)) → ∏𝑎 ∈ (0..^𝑆)((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)‘(𝑐‘𝑎)) = ∏𝑎 ∈ (0..^𝑆)(((𝟭‘ℕ)‘𝐴)‘(𝑐‘𝑎))) |
19 | 18 | sumeq2dv 15343 | . . . . 5 ⊢ (⊤ → Σ𝑐 ∈ (ℕ(repr‘𝑆)𝑁)∏𝑎 ∈ (0..^𝑆)((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)‘(𝑐‘𝑎)) = Σ𝑐 ∈ (ℕ(repr‘𝑆)𝑁)∏𝑎 ∈ (0..^𝑆)(((𝟭‘ℕ)‘𝐴)‘(𝑐‘𝑎))) |
20 | 3 | a1i 11 | . . . . . 6 ⊢ (⊤ → 𝐴 ⊆ ℕ) |
21 | circlemethnat.n | . . . . . . 7 ⊢ 𝑁 ∈ ℕ0 | |
22 | 21 | a1i 11 | . . . . . 6 ⊢ (⊤ → 𝑁 ∈ ℕ0) |
23 | circlemethnat.s | . . . . . . . 8 ⊢ 𝑆 ∈ ℕ | |
24 | 23 | a1i 11 | . . . . . . 7 ⊢ (⊤ → 𝑆 ∈ ℕ) |
25 | 24 | nnnn0d 12223 | . . . . . 6 ⊢ (⊤ → 𝑆 ∈ ℕ0) |
26 | 20, 22, 25 | hashrepr 32505 | . . . . 5 ⊢ (⊤ → (♯‘(𝐴(repr‘𝑆)𝑁)) = Σ𝑐 ∈ (ℕ(repr‘𝑆)𝑁)∏𝑎 ∈ (0..^𝑆)(((𝟭‘ℕ)‘𝐴)‘(𝑐‘𝑎))) |
27 | 19, 26 | eqtr4d 2781 | . . . 4 ⊢ (⊤ → Σ𝑐 ∈ (ℕ(repr‘𝑆)𝑁)∏𝑎 ∈ (0..^𝑆)((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)‘(𝑐‘𝑎)) = (♯‘(𝐴(repr‘𝑆)𝑁))) |
28 | 1, 27 | eqtr4id 2798 | . . 3 ⊢ (⊤ → 𝑅 = Σ𝑐 ∈ (ℕ(repr‘𝑆)𝑁)∏𝑎 ∈ (0..^𝑆)((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)‘(𝑐‘𝑎))) |
29 | 13 | fconst6 6648 | . . . . 5 ⊢ ((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)}):(0..^𝑆)⟶(ℂ ↑m ℕ) |
30 | 29 | a1i 11 | . . . 4 ⊢ (⊤ → ((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)}):(0..^𝑆)⟶(ℂ ↑m ℕ)) |
31 | 22, 24, 30 | circlemeth 32520 | . . 3 ⊢ (⊤ → Σ𝑐 ∈ (ℕ(repr‘𝑆)𝑁)∏𝑎 ∈ (0..^𝑆)((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)‘(𝑐‘𝑎)) = ∫(0(,)1)(∏𝑎 ∈ (0..^𝑆)(((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)vts𝑁)‘𝑥) · (exp‘((i · (2 · π)) · (-𝑁 · 𝑥)))) d𝑥) |
32 | fzofi 13622 | . . . . . . . 8 ⊢ (0..^𝑆) ∈ Fin | |
33 | 32 | a1i 11 | . . . . . . 7 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → (0..^𝑆) ∈ Fin) |
34 | circlemethnat.f | . . . . . . . 8 ⊢ 𝐹 = ((((𝟭‘ℕ)‘𝐴)vts𝑁)‘𝑥) | |
35 | 21 | a1i 11 | . . . . . . . . 9 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → 𝑁 ∈ ℕ0) |
36 | ioossre 13069 | . . . . . . . . . . . 12 ⊢ (0(,)1) ⊆ ℝ | |
37 | 36, 7 | sstri 3926 | . . . . . . . . . . 11 ⊢ (0(,)1) ⊆ ℂ |
38 | 37 | a1i 11 | . . . . . . . . . 10 ⊢ (⊤ → (0(,)1) ⊆ ℂ) |
39 | 38 | sselda 3917 | . . . . . . . . 9 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → 𝑥 ∈ ℂ) |
40 | 10 | a1i 11 | . . . . . . . . 9 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → ((𝟭‘ℕ)‘𝐴):ℕ⟶ℂ) |
41 | 35, 39, 40 | vtscl 32518 | . . . . . . . 8 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → ((((𝟭‘ℕ)‘𝐴)vts𝑁)‘𝑥) ∈ ℂ) |
42 | 34, 41 | eqeltrid 2843 | . . . . . . 7 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → 𝐹 ∈ ℂ) |
43 | fprodconst 15616 | . . . . . . 7 ⊢ (((0..^𝑆) ∈ Fin ∧ 𝐹 ∈ ℂ) → ∏𝑎 ∈ (0..^𝑆)𝐹 = (𝐹↑(♯‘(0..^𝑆)))) | |
44 | 33, 42, 43 | syl2anc 583 | . . . . . 6 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → ∏𝑎 ∈ (0..^𝑆)𝐹 = (𝐹↑(♯‘(0..^𝑆)))) |
45 | 15 | adantl 481 | . . . . . . . . . 10 ⊢ (((⊤ ∧ 𝑥 ∈ (0(,)1)) ∧ 𝑎 ∈ (0..^𝑆)) → (((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎) = ((𝟭‘ℕ)‘𝐴)) |
46 | 45 | oveq1d 7270 | . . . . . . . . 9 ⊢ (((⊤ ∧ 𝑥 ∈ (0(,)1)) ∧ 𝑎 ∈ (0..^𝑆)) → ((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)vts𝑁) = (((𝟭‘ℕ)‘𝐴)vts𝑁)) |
47 | 46 | fveq1d 6758 | . . . . . . . 8 ⊢ (((⊤ ∧ 𝑥 ∈ (0(,)1)) ∧ 𝑎 ∈ (0..^𝑆)) → (((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)vts𝑁)‘𝑥) = ((((𝟭‘ℕ)‘𝐴)vts𝑁)‘𝑥)) |
48 | 34, 47 | eqtr4id 2798 | . . . . . . 7 ⊢ (((⊤ ∧ 𝑥 ∈ (0(,)1)) ∧ 𝑎 ∈ (0..^𝑆)) → 𝐹 = (((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)vts𝑁)‘𝑥)) |
49 | 48 | prodeq2dv 15561 | . . . . . 6 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → ∏𝑎 ∈ (0..^𝑆)𝐹 = ∏𝑎 ∈ (0..^𝑆)(((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)vts𝑁)‘𝑥)) |
50 | 25 | adantr 480 | . . . . . . . 8 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → 𝑆 ∈ ℕ0) |
51 | hashfzo0 14073 | . . . . . . . 8 ⊢ (𝑆 ∈ ℕ0 → (♯‘(0..^𝑆)) = 𝑆) | |
52 | 50, 51 | syl 17 | . . . . . . 7 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → (♯‘(0..^𝑆)) = 𝑆) |
53 | 52 | oveq2d 7271 | . . . . . 6 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → (𝐹↑(♯‘(0..^𝑆))) = (𝐹↑𝑆)) |
54 | 44, 49, 53 | 3eqtr3d 2786 | . . . . 5 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → ∏𝑎 ∈ (0..^𝑆)(((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)vts𝑁)‘𝑥) = (𝐹↑𝑆)) |
55 | 54 | oveq1d 7270 | . . . 4 ⊢ ((⊤ ∧ 𝑥 ∈ (0(,)1)) → (∏𝑎 ∈ (0..^𝑆)(((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)vts𝑁)‘𝑥) · (exp‘((i · (2 · π)) · (-𝑁 · 𝑥)))) = ((𝐹↑𝑆) · (exp‘((i · (2 · π)) · (-𝑁 · 𝑥))))) |
56 | 55 | itgeq2dv 24851 | . . 3 ⊢ (⊤ → ∫(0(,)1)(∏𝑎 ∈ (0..^𝑆)(((((0..^𝑆) × {((𝟭‘ℕ)‘𝐴)})‘𝑎)vts𝑁)‘𝑥) · (exp‘((i · (2 · π)) · (-𝑁 · 𝑥)))) d𝑥 = ∫(0(,)1)((𝐹↑𝑆) · (exp‘((i · (2 · π)) · (-𝑁 · 𝑥)))) d𝑥) |
57 | 28, 31, 56 | 3eqtrd 2782 | . 2 ⊢ (⊤ → 𝑅 = ∫(0(,)1)((𝐹↑𝑆) · (exp‘((i · (2 · π)) · (-𝑁 · 𝑥)))) d𝑥) |
58 | 57 | mptru 1546 | 1 ⊢ 𝑅 = ∫(0(,)1)((𝐹↑𝑆) · (exp‘((i · (2 · π)) · (-𝑁 · 𝑥)))) d𝑥 |
Colors of variables: wff setvar class |
Syntax hints: ∧ wa 395 = wceq 1539 ⊤wtru 1540 ∈ wcel 2108 Vcvv 3422 ⊆ wss 3883 {csn 4558 {cpr 4560 × cxp 5578 ⟶wf 6414 ‘cfv 6418 (class class class)co 7255 ↑m cmap 8573 Fincfn 8691 ℂcc 10800 ℝcr 10801 0cc0 10802 1c1 10803 ici 10804 · cmul 10807 -cneg 11136 ℕcn 11903 2c2 11958 ℕ0cn0 12163 (,)cioo 13008 ..^cfzo 13311 ↑cexp 13710 ♯chash 13972 Σcsu 15325 ∏cprod 15543 expce 15699 πcpi 15704 ∫citg 24687 𝟭cind 31878 reprcrepr 32488 vtscvts 32515 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-inf2 9329 ax-cc 10122 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 ax-addf 10881 ax-mulf 10882 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-symdif 4173 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-iin 4924 df-disj 5036 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-of 7511 df-ofr 7512 df-om 7688 df-1st 7804 df-2nd 7805 df-supp 7949 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-2o 8268 df-oadd 8271 df-omul 8272 df-er 8456 df-map 8575 df-pm 8576 df-ixp 8644 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-fsupp 9059 df-fi 9100 df-sup 9131 df-inf 9132 df-oi 9199 df-dju 9590 df-card 9628 df-acn 9631 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-z 12250 df-dec 12367 df-uz 12512 df-q 12618 df-rp 12660 df-xneg 12777 df-xadd 12778 df-xmul 12779 df-ioo 13012 df-ioc 13013 df-ico 13014 df-icc 13015 df-fz 13169 df-fzo 13312 df-fl 13440 df-mod 13518 df-seq 13650 df-exp 13711 df-fac 13916 df-bc 13945 df-hash 13973 df-shft 14706 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-limsup 15108 df-clim 15125 df-rlim 15126 df-sum 15326 df-prod 15544 df-ef 15705 df-sin 15707 df-cos 15708 df-pi 15710 df-struct 16776 df-sets 16793 df-slot 16811 df-ndx 16823 df-base 16841 df-ress 16868 df-plusg 16901 df-mulr 16902 df-starv 16903 df-sca 16904 df-vsca 16905 df-ip 16906 df-tset 16907 df-ple 16908 df-ds 16910 df-unif 16911 df-hom 16912 df-cco 16913 df-rest 17050 df-topn 17051 df-0g 17069 df-gsum 17070 df-topgen 17071 df-pt 17072 df-prds 17075 df-xrs 17130 df-qtop 17135 df-imas 17136 df-xps 17138 df-mre 17212 df-mrc 17213 df-acs 17215 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-submnd 18346 df-mulg 18616 df-cntz 18838 df-cmn 19303 df-psmet 20502 df-xmet 20503 df-met 20504 df-bl 20505 df-mopn 20506 df-fbas 20507 df-fg 20508 df-cnfld 20511 df-top 21951 df-topon 21968 df-topsp 21990 df-bases 22004 df-cld 22078 df-ntr 22079 df-cls 22080 df-nei 22157 df-lp 22195 df-perf 22196 df-cn 22286 df-cnp 22287 df-haus 22374 df-cmp 22446 df-tx 22621 df-hmeo 22814 df-fil 22905 df-fm 22997 df-flim 22998 df-flf 22999 df-xms 23381 df-ms 23382 df-tms 23383 df-cncf 23947 df-ovol 24533 df-vol 24534 df-mbf 24688 df-itg1 24689 df-itg2 24690 df-ibl 24691 df-itg 24692 df-0p 24739 df-limc 24935 df-dv 24936 df-ind 31879 df-repr 32489 df-vts 32516 |
This theorem is referenced by: (None) |
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