In this paper, we investigate a bijective map Φ\documentclass[12pt]{minimal}
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\begin{document}$$\Phi $$\end{document} between two von Neumann algebras, one of which has no central abelian projections, satisfying Φ(A∙B∙C)=Φ(A)∙Φ(B)∙Φ(C)\documentclass[12pt]{minimal}
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\begin{document}$$\Phi (A\bullet B\bullet C)=\Phi (A)\bullet \Phi (B)\bullet \Phi (C)$$\end{document} for all A, B, C in the domain, where A∙B=AB+BA∗\documentclass[12pt]{minimal}
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\begin{document}$$A\bullet B=AB+BA^{*}$$\end{document} is the Jordan 1-∗\documentclass[12pt]{minimal}
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\begin{document}$$*$$\end{document}-product of A and B. It is showed that the map Φ(I)Φ\documentclass[12pt]{minimal}
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\begin{document}$$\Phi (I)\Phi $$\end{document} is a sum of a linear ∗\documentclass[12pt]{minimal}
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\begin{document}$$*$$\end{document}-isomorphism and a conjugate linear ∗\documentclass[12pt]{minimal}
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\begin{document}$$*$$\end{document}-isomorphism, where Φ(I)\documentclass[12pt]{minimal}
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\begin{document}$$\Phi (I)$$\end{document} is a self-adjoint central element in the range with Φ(I)2=I\documentclass[12pt]{minimal}
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\begin{document}$$\Phi (I)^{2}=I$$\end{document}.