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Volume 60 (2026)

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RAIRO - Theoretical Informatics and Applications

Volume 60 (2026) (in progress)

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Diophantine Analysis and Related Topics (DART2025Z)

Open Access

Editorial

Preface E1

Takao Komatsu, Florian Luca and Guangshi Lü

Published online: 25 February 2026

DOI: https://doi.org/10.1051/ita/2026008

Open Access

A system of two Diophantine inequalities with primes 3

Yanjun Dong and Qian Wang

Published online: 25 February 2026

DOI: https://doi.org/10.1051/ita/2026003

Open Access

A Diophantine inequality with one prime of the form p = m² + n² + 1 4

Yukun Liu and Jing Huang

Published online: 25 February 2026

DOI: https://doi.org/10.1051/ita/2026002

Open Access

2k-th power mean value of the generalized cubic Gauss sums 5

Ying Wei and Tianping Zhang

Published online: 25 February 2026

DOI: https://doi.org/10.1051/ita/2026001

Open Access

The k-fold divisor function over the intersection of Piatetski-Shapiro sequences 7

Victor Zhenyu Guo and Xuyan Wang

Published online: 09 March 2026

DOI: https://doi.org/10.1051/ita/2026006

Open Access

Fibonacci Determinants. III 8

Takao Komatsu and Emrah Kiliç

Published online: 17 March 2026

DOI: https://doi.org/10.1051/ita/2026007

Open Access

On the Numbers of Ramanujan 9

Mehmet Cenkci and Takao Komatsu

Published online: 17 March 2026

DOI: https://doi.org/10.1051/ita/2026010

Open Access

Diophantine approximation with two squares and three biquadrates of primes 12

Yu Fu, Liqun Hu, Siqi Liu and Li Yang

Published online: 31 March 2026

DOI: https://doi.org/10.1051/ita/2026013

Open Access

On bisimulation in absence of restriction 1

Xian Xu

Published online: 16 January 2026

DOI: https://doi.org/10.1051/ita/2025021

Open Access

Quasi-deterministic finite one-head and two-head automata 2

Benedek Nagy

Published online: 03 February 2026

DOI: https://doi.org/10.1051/ita/2026004

Open Access

Christoffel matrices and Sturmian determinants 6

Christophe Reutenauer and Jeffrey Shallit

Published online: 25 February 2026

DOI: https://doi.org/10.1051/ita/2026005

Open Access

On some infinite matrices of binomial type and their generating functions 10

Murat Erdoğan, Cenap Duyar and Nilay Değirmen

Published online: 17 March 2026

DOI: https://doi.org/10.1051/ita/2026011

Open Access

General position number of hierarchical scale-free graphs 11

Naoki Matsumoto

Published online: 17 March 2026

DOI: https://doi.org/10.1051/ita/2026012

Open Access

On describing trees and quasi-trees from their leaves 13

Bruno Courcelle

Published online: 03 April 2026

DOI: https://doi.org/10.1051/ita/2026009