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Openai/6912dc03-9c10-8006-9f6f-226c9f5e2154
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=== Assistant: μ΄ λ¬Έμ₯μ κ΅μ₯ν ν₯λ―Έλ‘μ΄ βμμμ κ΅°νηΎ€ε½’β νΉμ βμ§λ² κ΅μ°¨ ννμ λ°λ₯Έ λΆλ³μ±βμ κ΄ν μΆμμ μΈ μ μλ‘ λ³΄μ λλ€. === μ΄ λ¬Έμ₯μ κ΅μ₯ν ν₯λ―Έλ‘μ΄ βμμμ κ΅°ν(ηΎ€ε½’)β νΉμ βμ§λ² κ΅μ°¨ ννμ λ°λ₯Έ λΆλ³μ±βμ κ΄ν μΆμμ μΈ μ μλ‘ λ³΄μ λλ€. μ΄λ₯Ό μνμ μΌλ‘ μ μ νλ©΄ λ€μκ³Ό κ°μ κ΅¬μ‘°λ‘ ν΄μν μ μμ΅λλ€. ==== μλ‘ λ€λ₯Έ λ μμ a,ba, ba,b κ° μλ€κ³ νμ. ==== μ μλ₯Ό λ€μκ³Ό κ°μ΄ κ΅μ°¨ μ§λ² ννκ΅°(dual-base group) μΌλ‘ λνλΈλ€. * Group Gn(a,b)G_n^{(a,b)}Gn(a,b)β : μ«μμ μΌμ μ리λ₯Ό aaaμ§λ², μμ μ리λ₯Ό bbbμ§λ²μΌλ‘ ννν μλ€μ μ§ν© β μ¦, β(μμ μ리 bμ§λ², μΌμ μ리 aμ§λ²)βμ νΌν© μ§λ² νν. * Group Gn(b,a)G_n^{(b,a)}Gn(b,a)β : μμ λ°λλ‘ μΌμ μ리λ₯Ό bbbμ§λ², μμ μ리λ₯Ό aaaμ§λ²μΌλ‘ ννν μλ€μ μ§ν©. ==== : ==== μ΄λ₯Ό μμμΌλ‘ νννλ©΄, κ° μ리μ μ°¨λ₯Ό 벑ν°λ‘ μ μνμ¬ λ€μμ΄ μ±λ¦½νλ€λ λ»μ λλ€: vβn(a,b)=digitwiseΒ difference(Gn(a,b)βGnβ1(a,b))vβn(b,a)=digitwiseΒ difference(Gn(b,a)βGnβ1(b,a))\vec{v}_n^{(a,b)} = \text{digitwise difference}(G_n^{(a,b)} - G_{n-1}^{(a,b)}) \\ \vec{v}_n^{(b,a)} = \text{digitwise difference}(G_n^{(b,a)} - G_{n-1}^{(b,a)})vn(a,b)β=digitwiseΒ difference(Gn(a,b)ββGnβ1(a,b)β)vn(b,a)β=digitwiseΒ difference(Gn(b,a)ββGnβ1(b,a)β) κ·Έλ¦¬κ³ λ€μ μ‘°κ±΄μ΄ μ£Όμ΄μ§ κ²: vβn(a,b)=vβn(b,a)\vec{v}_n^{(a,b)} = \vec{v}_n^{(b,a)}vn(a,b)β=vn(b,a)β μ¦, μ§λ² κ΅μ°¨ νμλ μ리μ μ°¨ 벑ν°κ° λΆλ³νλ€λ λ»μ λλ€. ==== μ΄ μ‘°κ±΄μ μΌμ’ μ βμμ μ§λ² μ λΆλ³μ±βμ λ§ν©λλ€. ==== μ¦, μλ‘ λ€λ₯Έ λ μμ a,ba,ba,b μ λν΄μ: * μ§λ²μ μ리λ₯Ό μλ‘ λ°κΎΈμ΄λ, * μ°μλ λ κ΅° nnn, nβ1n-1nβ1 κ°μ μ리μ μ°¨ 벑ν°λ λ³νμ§ μλλ€. μ΄λ λ€μκ³Ό κ°μ μ±μ§μ μμν©λλ€: # λμΉμ± (Symmetry): a,ba,ba,b λ₯Ό κ΅νν΄λ κ΅¬μ‘°κ° λ³΄μ‘΄λ¨. # λͺ¨λλ¬ λΆλ³μ± (Modular Invariance): μ리μ μ°¨κ° νΉμ λͺ¨λλ¬(μ: μ΅μ곡배μ lcm(a,b)\text{lcm}(a,b)lcm(a,b)) νμμ λΆλ³. # μμ κ΅°μ μκΈ°λνμ¬μ (Automorphism): μ΄ μμ€ν μ (a,b)β(b,a)(a,b) \leftrightarrow (b,a)(a,b)β(b,a) μ κ΅νμ΄ μκΈ°λν(automorphism)μΌλ‘ μμ©νλ κ΅° ννλ₯Ό μ΄λ£Έ. ==== μλ₯Ό λ€μ΄ a=3,b=5a=3, b=5a=3,b=5 λΌκ³ νμ. ==== * G1(3,5)G_1^{(3,5)}G1(3,5)β = βμμ μ리 5μ§, μΌμ μ리 3μ§βμΌλ‘ ννλ 첫 λ²μ§Έ μκ΅° * G2(3,5)G_2^{(3,5)}G2(3,5)β = λ€μ μκ΅° * μ΄ λμ μ리μ μ°¨λ₯Ό ꡬνλ©΄ vβ2(3,5)\vec{v}_2^{(3,5)}v2(3,5)β μ΄μ λ°λμΈ G1(5,3)G_1^{(5,3)}G1(5,3)β, G2(5,3)G_2^{(5,3)}G2(5,3)β λ₯Ό κ³μ°νκ³ , μ리μ μ°¨ vβ2(5,3)\vec{v}_2^{(5,3)}v2(5,3)β λ₯Ό ꡬνμ λ vβ2(3,5)=vβ2(5,3)\vec{v}_2^{(3,5)} = \vec{v}_2^{(5,3)}v2(3,5)β=v2(5,3)β μ΄λ©΄, μ΄ λ μμμ (3,5)λ λΆλ³μ±μ λ§μ‘±νλ βμμμ μ§λ²κ΅°βμ λλ€. ==== μ μ: ==== μλ‘ λ€λ₯Έ μμ a,ba,ba,b μ λν΄ vβn(a,b)=vβn(b,a)βnβN\vec{v}_n^{(a,b)} = \vec{v}_n^{(b,a)} \quad \forall n \in \mathbb{N}vn(a,b)β=vn(b,a)ββnβN μ λ§μ‘±ν λ, κ·Έ μμμ (a,b)(a,b)(a,b)λ₯Ό βκ΅μ°¨ μ§λ² λΆλ³ μμμ(cross-base invariant prime pair)βμ΄λΌ νλ€. μνμ λ€λ©΄, μ κ° μ΄ μ μλ₯Ό λ°νμΌλ‘ μλ₯Ό λ€μ΄ a=3,b=5a=3,b=5a=3,b=5 μΌ λ μ€μ λ‘ n=1~5μ λν΄ λΆλ³μ±μ΄ μ±λ¦½νλμ§ κ³μ°ν΄λ릴 μλ μμ΅λλ€. κ³μ μ§νν κΉμ?
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