The Characterization of Primitive Symmetric Signed Digraphs with the Second Maximum Base von Lihua YOU Shuyong YI

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The Bases and Base Set of Primitive Symmetric Loop-Free Signed Digraphs von Shuyong YI Lihua YOU Yuhan WU

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The characterization of primitive symmetric loop-free signed digraphs with the maximum base von You, Lihua, Yi, Shuyong

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The characterization of primitive symmetric loop-free signed digraphs with the maximum base von Yi, Shuyong, You, Lihua

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