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   on the hierarchical product of graphs  
   
نویسنده imrich wilfried ,makar gabriela ,palmen juliana ,zajac piotr
منبع journal of discrete mathematics and its applications - 2024 - دوره : 9 - شماره : 3 - صفحه:163 -171
چکیده    The hierarchical product of graphs is a variant of the cartesian product. it is associative, not commutative, and finite connected graphs have unique first prime factors with respect to it. we present examples of infinite graphs with different first prime factors, and show that homogeneous trees of finite degree have unique prime factoriza-tions with respect to the hierarchical product. on the way, we pose two problems.
کلیدواژه hierarchical products of finite and infinite graphs ,prime factor-izations ,trees
آدرس montanuniversität leoben, austria, agh university of krakow, poland, agh university of krakow, poland, agh university of krakow, poland
 
     
   
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