Cubic partitions in terms of distinct partitions

被引:0
作者
Merca, Mircea [1 ,2 ]
机构
[1] Natl Univ Sci & Technol Politehn Bucharest, Fundamental Sci Appl Engn Res Ctr, Dept Math Methods & Models, Bucharest 060042, Romania
[2] Acad Romanian Scientists, Bucharest 050044, Romania
关键词
Cubic partitions; Distinct partitions; 2-adic valuation; Divisors; MODULO POWERS; CONTINUED-FRACTION; CONGRUENCES; PROOFS; IDENTITIES; SERIES; ANALOG;
D O I
10.1007/s11139-025-01076-9
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this paper, we introduce alternative representations for the generating function of the number of cubic partitions of an integer. These new representations lead to novel formulas and provide a fresh combinatorial interpretation of cubic partitions as color partitions into distinct parts. We also obtain analogous results regarding the number of parts of size d colored identically in the cubic partitions of n and the number of cubic partitions of n that exclude parts of size d colored identically. Additionally, a new connection between an alternative sum of divisors and the 2-adic valuation is established. Furthermore, we present two open problems related to the positivity of truncated theta series within this framework.
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页数:19
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