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[期刊论文] 作者：Viorel Nitica,
来源：离散数学期刊(英文) 年份：2015
Let and let be the set of four ribbon L-shaped n-ominoes. We study tiling problems for regions in a square lattice by . Our main result shows a remarkable prope...
[期刊论文] 作者：Viorel Nitica,
来源：离散数学期刊(英文) 年份：2017
We consider tilings of deficient rectangles by the set T4 of ribbon L-tetro-minoes. A tiling exists if and only if the rectangle is a square of odd side. The mi...
[期刊论文] 作者：Viorel Nitica,
来源：离散数学期刊(英文) 年份：2018
In a recent paper, we revisited Golomb’s hierarchy for tiling capabilities of finite sets of polyominoes. We considered the case when only translations are all...
[期刊论文] 作者：Catalin Nitica,Viorel Nitica,
来源：离散数学期刊(英文) 年份：2020
Let b ≥ 2 be a numeration base. A b-weak additive Ramanujan-Hardy (or b-wARH) number N is a non-negative integer for which there exists at least one non-negati...
[期刊论文] 作者：Catalin Nitica,Viorel Nitica,
来源：离散数学期刊(英文) 年份：2019
In this note, for any pair of natural numbers (n,k), n≥3, k≥1, and 2k<n, we construct an infinite family of irreducible polynomials of degree n,...
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