The Reciprocal of ∑_{n≥0}anbn for non-commuting a and b, Catalan numbers and non-commutative quadratic equations
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چکیده
منابع مشابه
On the commuting graph of some non-commutative rings with unity
Let $R$ be a non-commutative ring with unity. The commuting graph of $R$ denoted by $Gamma(R)$, is a graph with a vertex set $Rsetminus Z(R)$ and two vertices $a$ and $b$ are adjacent if and only if $ab=ba$. In this paper, we investigate non-commutative rings with unity of order $p^n$ where $p$ is prime and $n in lbrace 4,5 rbrace$. It is shown that, $Gamma(R)$ is the disjoint ...
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