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20202026
most citedCombinatorics of three-Catalan numbers and some positivities

1 citations · 2 across the 11 of their papers we have counts for

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11 papers

math.CO2026

Signed Mahonian Polynomials on Colored Derangements

Hasan Arslan, Moussa Ahmia, Nazmiye Alemdar

The polynomial of major index over a classical Weyl group with a generating set is called the Mahonian polynomial over , and also the polynomia…

math.NT2025

On the arithmetic properties of partitions into parts simultaneously -regular and -distinct

Mohammed L. Nadji, Moussa Ahmia

In 2017, Keith presented a comprehensive survey on integer partitions into parts that are simultaneously regular, distinct, and/or flat. Recently, the authors initiated a study of…

math.CO2025

Inversions in Colored Permutations, Derangements, and Involutions

Moussa Ahmia, José L. Ramírez, Diego Villamizar

Arslan, Altoum, and Zaarour introduced an inversion statistic for generalized symmetric groups. In this work, we study the distribution of this statistic over colored permutations,…

math.CO2025

Enumeration on polyominoes determined by Catalan words avoiding

M. Ahmia, J. -L. Baril, B. Rezig

A Catalan word of length that avoids the pattern is a sequence with and for all , while ensuring that no s…

math.CO2025★ 1 cited

Combinatorics of three-Catalan numbers and some positivities

Boualam Rezig, Moussa Ahmia

We introduce the three-Catalan triangle, highlighting the three-Catalan numbers along with their recurrence relation and combinatorial interpretation, which allows us to establish…

math.CO2024

Log-concavity and strong -log-convexity for some generalized triangular arrays

Rezig Boualam, Moussa Ahmia

In this paper, we provide criteria for the log-concavity of rows and the strong -log-convexity of the generating functions of rows in more generalized triangles. Additionally, w…

math.CO2024

-Modular, -congruent and -duplicate partitions

Mohammed L. Nadji, Ahmia Moussa

In this paper, we investigate the combinatorial properties of three classes of integer partitions: (1) -modular partitions, a class consisting of partitions into parts with a nu…

math.CO2024

Combinatorics of -Mahonian numbers of type and log-concavity

Ali Kessouri, Moussa Ahmia, Hasan Arslan +1

This paper is a continuation of earlier work of Arslan \cite{Ars}, who introduced the Mahonian number of type by using a new statistic on the hyperoctahedral group , in…

math.CO2024

Over-Mahonian numbers: Basic properties and unimodality

Ali Kessouri, Moussa Ahmia, Salim Mesbahi

In this paper, we introduce the concept of the over-Mahonian number, which counts the overlined permutations of length with inversions, allowing the first elements associat…

math.CO2021

New modular symmetric function and its applications: Modular -Stirling numbers

Bazeniar Abdelghafour, Moussa Ahmia, José L. Ramírez +1

In this paper, we consider a generalization of the Stirling number sequence of both kinds by using a specialization of a new family of symmetric functions. We give combinatorial in…

math.CO2020★ 1 cited

A generalization of complete and elementary symmetric functions

Moussa Ahmia, Mircea Merca

In this paper, we consider the generating functions of the complete and elementary symmetric functions and provide a new generalization of these classical symmetric functions. Some…