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11D09 Quadratic and bilinear equations (16 articles)

• Zinevičius, Albertas: Sums of two integer squares in a certain quartic extension. (English). Archivum Mathematicum, vol. 62 (2026), issue 2, pp. 69-73
• Jafari, Amir; Rostamkhani, Farhood: On ternary quadratic forms over the rational numbers. (English). Czechoslovak Mathematical Journal, vol. 72 (2022), issue 4, pp. 1105-1119
• Cohen, Boaz: Chebyshev polynomials and Pell equations over finite fields. (English). Czechoslovak Mathematical Journal, vol. 71 (2021), issue 2, pp. 491-510
• Wu, Yansheng; Tang, Gaohua; Deng, Guixin; Zhou, Yiqiang: Nil-clean and unit-regular elements in certain subrings of ${\mathbb M}_2(\mathbb Z)$. (English). Czechoslovak Mathematical Journal, vol. 69 (2019), issue 1, pp. 197-205
• Crainic, Marius; Crainic, Nicolae: Normal bivariate Birkhoff interpolation schemes and Pell equation. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 50 (2009), issue 2, pp. 265-272
• Orosz, Erzsébet: Common terms in binary recurrences. (English). Acta Mathematica Universitatis Ostraviensis, vol. 14 (2006), issue 1, pp. 57-61
• Luca, Florian; Szalay, László: Congruent numbers with higher exponents. (English). Acta Mathematica Universitatis Ostraviensis, vol. 14 (2006), issue 1, pp. 49-55
• Hlawka, Edmund: Pythagoräische Tripel: Gleichverteilung und geometrische Anwendungen. (German) [Pythagorean triples: uniform distribution and geometrical application]. Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 11 (2003), issue 1, pp. 29-72
• Puchta, Jan-Christoph: On the powerful part of $n\sp 2+1$. (English). Archivum Mathematicum, vol. 39 (2003), issue 3, pp. 187-189
• Dujella, Andrej: Complete solution of a family of simultaneous Pellian equations. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 6 (1998), issue 1, pp. 59-67
• Louboutin, S.; Newman, M. F.: On the diophantine equation $xy+yz+zx=d$. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 6 (1998), issue 1, pp. 155-158
• Nikonorov, Yurii G.; Rodionov, Eugene D.: Standard homogeneous Einstein manifolds and Diophantine equations. (English). Archivum Mathematicum, vol. 32 (1996), issue 2, pp. 123-136
• Jakubec, Stanislav: Criterion for 3 to be eleventh power. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 3 (1995), issue 1, pp. 37-(43)
• Korec, Ivan: Lower bounds for perfect rational cuboids. (English). Mathematica Slovaca, vol. 42 (1992), issue 5, pp. 565-582
• Mikhailov, I. I.: Об одном свойстве фигурных чисел. (Russian) [A property of figurate numbers]. Mathematica Slovaca, vol. 33 (1983), issue 3, pp. 303-306
• Mikhailov, I. I.: Об уравнении $t_{x}+y^{2}=t_{z}+u^{2}$. (Russian) [On the equation $t_{x}+y^{2}=t_{z}+u^{2}$]. Mathematica Slovaca, vol. 33 (1983), issue 1, pp. 35-39