Some methods for a Sutô-Aczél project—I

Verfasser / Beitragende:
[Anders Lundberg]
Ort, Verlag, Jahr:
2015
Enthalten in:
Aequationes mathematicae, 89/4(2015-08-01), 957-980
Format:
Artikel (online)
ID: 605508747
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024 7 0 |a 10.1007/s00010-014-0310-6  |2 doi 
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100 1 |a Lundberg  |D Anders  |u Flogstav. 5 D, 752 73, Uppsala, Sweden  |4 aut 
245 1 0 |a Some methods for a Sutô-Aczél project—I  |h [Elektronische Daten]  |c [Anders Lundberg] 
520 3 |a By differentiations we derive from the functional equation $$\varphi (F(x)+G(y))+\psi (H(x)+K(y))-\omega (x+y)=0 \quad \quad \quad \quad (1)$$ φ ( F ( x ) + G ( y ) ) + ψ ( H ( x ) + K ( y ) ) - ω ( x + y ) = 0 ( 1 ) a functional-differential equation, which does not contain $${\varphi ,\psi ,\omega }$$ φ , ψ , ω . If a list [F, G, H, K] of analytic functions satisfies the latter equation, then there are analytic $${\varphi ,\psi ,\omega }$$ φ , ψ , ω such that $${[F,G,H,K,\varphi ,\psi ,\omega]}$$ [ F , G , H , K , φ , ψ , ω ] satisfies (1). This gives rise to a procedure for obtaining all analytic solutions of (1). A few applications of this procedure are shown. 
540 |a Springer Basel, 2014 
690 7 |a Affine function  |2 nationallicence 
690 7 |a Analytic function  |2 nationallicence 
690 7 |a Equivalent solutions  |2 nationallicence 
690 7 |a Lambert W-function  |2 nationallicence 
690 7 |a List  |2 nationallicence 
690 7 |a Maple worksheet  |2 nationallicence 
690 7 |a Rank (linear)  |2 nationallicence 
690 7 |a Solution  |2 nationallicence 
690 7 |a Sutô sum  |2 nationallicence 
690 7 |a Symmetries  |2 nationallicence 
773 0 |t Aequationes mathematicae  |d Springer Basel  |g 89/4(2015-08-01), 957-980  |x 0001-9054  |q 89:4<957  |1 2015  |2 89  |o 10 
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908 |D 1  |a research-article  |2 jats 
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950 |B NATIONALLICENCE  |P 100  |E 1-  |a Lundberg  |D Anders  |u Flogstav. 5 D, 752 73, Uppsala, Sweden  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Aequationes mathematicae  |d Springer Basel  |g 89/4(2015-08-01), 957-980  |x 0001-9054  |q 89:4<957  |1 2015  |2 89  |o 10