According to the U.S. Census, the U.S. spent $3.6 billion constructing religious buildings last year. This was the lowest in twenty years. It is also sharply lower than the apex of a decade ago. Here ...
Applicable Analysis and Discrete Mathematics, Vol. 17, No. 2 (October, 2023), pp. 321-333 (13 pages) In this paper the problem of the existence of regular nut graphs is addressed. A generalization of ...
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