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2 hours ago · We define G(λ) to be the set of all graphs with smallest adjacency eigenvalue at least -λ. It is well-known that two infinite families of graphs namely line graphs and generalized line graphs have adjacency values at least -2, i.e. they lie in G(2). In 1976, Cameron, Goethals, Seidel, and Shult gave a complete characterization of graphs in G(2).
1 day ago · Algebra is the branch of mathematics that studies certain abstract systems, known as algebraic structures, and the manipulation of statements within those systems. It is a generalization of arithmetic that introduces variables and algebraic operations other than the standard arithmetic operations such as addition and multiplication.
2 hours ago · 10月 04, 2024 にBeyoğluのNardis Jazz Clubで開催予定のMatti Kleinのコンサートの情報を入手し、チケットを購入しましょう。