Groups and monoid in the set of Pythagorean triples. (English) Zbl 1541.11030
Reviewer: Ahmet Tekcan (Bursa)
MSC:
11D09
Found 66 Documents (Results 1–66)
Rational quadrilaterals. (English) Zbl 07823189
MSC:
11D09
Estimates for \(k\)-dimensional spherical summations of arithmetic functions of the GCD and LCM. (English) Zbl 07914630
Maier, Helmut (ed.) et al., Number theory in memory of Eduard Wirsing. Cham: Springer. 157-183 (2023).
Computers as a novel mathematical reality. IV: The Goldbach problem. (English) Zbl 07786636
Reviewer: Kaisa Matomäki (Turku)
Computers as a novel mathematical reality. III: Mersenne numbers and sums of divisors. (English) Zbl 1532.11005
The largest integer not the sum of distinct 8th powers. (English) Zbl 1539.11127
Reviewer: Luis Gallardo (Brest)
Patterns in continued fractions of square roots. (English) Zbl 1514.11010
Reviewer: Mykhaylo Pahirya (Uzhhorod)
Quotients of palindromic and antipalindromic numbers. (English) Zbl 1507.11007
Reviewer: Thomas Stoll (Vandœuvre-lès Nancy)
The truncated sum of digits function of polynomial sequences. (English) Zbl 1507.11010
Reviewer: Mihály Szalay (Budapest)
Existence of strong difference families and constructions for eight new 2-designs. (English) Zbl 1536.05078
The number \(a^2+b^2-dc^2\) revisited. (English) Zbl 1487.11038
Reviewer: Meinhard Peters (Münster)
Arithmetic progressions in the values of a quadratic polynomial. (English) Zbl 1489.11017
Reviewer: Leonard Jones (Shippensburg)
On the number of perfect triangles with a fixed angle. (English) Zbl 1478.11038
Reviewer: Hans-Peter Schröcker (Innsbruck)
Fermat’s last theorem implies Euclid’s infinitude of primes. (English) Zbl 1467.11008
Reviewer: Balasubramanian Sury (Bangalore)
On the notions of upper and lower density. (English) Zbl 1442.11019
Reviewer: Štefan Porubský (Praha)
Decompositions into spanning rainbow structures. (English) Zbl 1429.05024
Reviewer: Raúl M. Falcón (Sevilla)
On the race between primes with an odd versus an even sum of the last \(k\) binary digits. (English) Zbl 1469.11371
On some new arithmetic functions involving prime divisors and perfect powers. (English) Zbl 1453.11002
Korpelainen, Nicholas (ed.), TCDM 2018. Proceedings of the 2nd IMA conference on theoretical and computational discrete mathematics, University of Derby, Derby, UK, September 14–15, 2018. Part 1. Amsterdam: Elsevier. Electron. Notes Discrete Math. 70, 9-15 (2018).
Fractal analysis of pi normality. (English) Zbl 1440.11140
MSC:
11K16
Algebraic and geometric properties of lattice walks with steps of equal length. (English) Zbl 1366.52016
Arithmetical properties of hypergeometric Bernoulli numbers. (English) Zbl 1391.11035
Reviewer: José Luis Ramírez Ramírez (Bogotá)
Groups with the same prime graph as the simple group \(D_n(5)\). (English) Zbl 1311.20012
Ukr. Math. J. 66, No. 5, 666-677 (2014) and Ukr. Mat. Zh. 66, No. 5, 598-608 (2014).
On Jeśmanowicz’ conjecture concerning primitive Pythagorean triples. (English) Zbl 1309.11030
MSC:
11D61
On continued fraction development of quadratic irrationals having all periodic terms but last equal and associated general solutions of the Pell equation. (English) Zbl 1296.11004
Reviewer: Oleg Karpenkov (Liverpool)
Modular Schur numbers. (English) Zbl 1295.11004
On the parity of the number of multiplicative partitions and related problems. (English) Zbl 1330.11061
Continued fractions and Jacobi symbols. (English) Zbl 1237.11003
Reviewer: Takao Komatsu (Hirosaki)
Some digraphs arising from number theory and remarks on the zero-divisor graph of the ring \(Z_n\). (English) Zbl 1189.05070
Maximum versus minimum: two properties of the Fibonacci sequence. (English) Zbl 1123.11007
Reviewer: Takao Komatsu (Hirosaki)
Integer points on the curve \( Y^{2}=X^{3}\pm p^{k}X\). (English) Zbl 1093.11020
Reviewer: Alain Kraus (Paris)
On pseudoprimes having special forms and a solution of K. Szymiczek’s problem. (English) Zbl 1207.11006
Noncommutativity of the group of self homotopy classes of Lie groups. (English) Zbl 1012.55019
Reviewer: C.S.Hoo (Edmonton / Alberta)
Homotopy classes that are trivial mod \({\mathcal F}\). (English) Zbl 0982.55009
Reviewer: I.Ivanšić (Zagreb)
Newton’s formula and the continued fraction expansion of \(\sqrt{d}\). (English) Zbl 0989.11003
Reviewer: Günter Köhler (Würzburg)
Remarks on Steinhaus’ property and ratio sets of sets of positive integers. (English) Zbl 1034.11010
A generalization of a conjecture of Hardy and Littlewood to algebraic number fields. (English) Zbl 0978.11064
Reviewer: Jürgen Hinz (Marburg)
Bisecting de Bruijn and Kautz graphs. (English) Zbl 0907.68140
Reviewer: T.Andreae (Hamburg)
The graph of the square mapping on the prime fields. (English) Zbl 0843.05048
Reviewer: U.Baumann (Dresden)
MSC:
05C25
Multiamicable numbers. (English) Zbl 0869.11006
Reviewer: H.J.J.te Riele (Amsterdam)
MSC:
11A25
The diophantine equation \(a^ x+b^ y=c^ z\). (English) Zbl 0812.11024
Reviewer: D.Poulakis (Thessaloniki)
MSC:
11D61
On the diophantine equation \(x^{10}{\pm{}}y^{10}=z^ 2\). (English) Zbl 0779.11018
Reviewer: B.Brindza (Debrecen)
MSC:
11D41
Witt equivalence of cyclotomic fields. (English) Zbl 0784.11014
Reviewer: N.Schwartz (Passau)
Bounds for the number of nodes in Chebyshev type quadrature formulas. (English) Zbl 0751.41026
Reviewer: P.Narain (Bombay)
MSC:
41A55
Least-cost partition algorithms. (English) Zbl 0679.90088
Reviewer: E.Duca
Approximation of smooth periodic functions in several variables. (English) Zbl 0698.41022
Reviewer: W.Lenski
Remarks on languages acceptable in log log n space. (English) Zbl 0652.68055
Reviewer: Lih Ko-Wei
Some extensions of Pall’s theorem. (English) Zbl 0539.10039
Reviewer: Matti Jutila (Turku)
On the density of sequences of integers the sum of no two of which is a square. I: Arithmetic progressions. (English) Zbl 0489.10052
Quantization of linear maps on a torus-Fresnel diffraction by a periodic grating. (English) Zbl 1194.81107
MSC:
81Q50
On the density of odd integers of the form \((p-1)2^{-n}\) and related questions. (English) Zbl 0405.10036
Reviewer: Imre Z. Ruzsa (Budapest)
A note on DOL length sets. (English) Zbl 0374.68049
MSC:
68Q45
A note on congruent numbers. (English) Zbl 0373.10010
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