Results 31 to 40 of about 17,966 (292)

Generating integer polynomials from X2 and X3 using function composition: A study of subnearrings of (z[x];+; ◦) [PDF]

open access: yes, 2021
Which integer polynomials can we write down if the only exponent to be used is 3? Such problems can be considered as instances of the subnearring generation problem.
Kreinecker, Sebastian, Aichinger, Erhard
core  

On the basis number of the composition of different ladders with some graphs

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2005
The basis number b(G) of a graph G is defined to be the least integer k such that G has a k-fold basis for its cycle space. In this paper, we investigate the basis number of the composition of paths and cycles with ladders, circular ladders, and Möbius ...
Maref Y. Alzoubi, M. M. M. Jaradat
doaj   +1 more source

Derivatives are essentially integer partitions [PDF]

open access: yes, 2000
•Matrix notation simplifies derivatives and relates them to integer partitions.•By differentiation, terms are Dn(f1∘⋯∘fm) are related to terms of Dn+1(f1∘⋯∘fm). By matrix notation, terms of Dn(f1∘⋯∘fm) are related to terms of Dn(f1∘⋯∘fm+1).•Let M(m,n) be
Winston C. Yang, Yang, Winston C.
core   +1 more source

Crashing Construction Project Schedules by Relocating Resources

open access: yesIEEE Access, 2020
A variety of schedule compression techniques are used to get delayed construction projects “back on tracks”. This paper presents a new optimization approach to schedule crashing by relocating some of the workers from non-critical to ...
Michal Tomczak, Piotr Jaskowski
doaj   +1 more source

Statistics for 3-letter patterns with repetitions in compositions [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2016
A composition $\pi = \pi_1 \pi_2 \cdots \pi_m$ of a positive integer $n$ is an ordered collection of one or more positive integers whose sum is $n$. The number of summands, namely $m$, is called the number of parts of $\pi$.
Armend Shabani, Rexhep Gjergji
doaj   +1 more source

Compositions of Integers With Bounded Parts

open access: yesIntegers, 2012
5 pages, results strengthened from previous ...
openaire   +4 more sources

Genetic Algorithm for Optimizing Food Composition for Hypertension Patients

open access: yesJurnal Teknologi dan Sistem Komputer, 2019
Hypertension can be prevented and handled by eating nutritious foods with the right composition. The genetic algorithm can be used to optimize the food composition for people with hypertension.
Anggi Mahadika Purnomo   +4 more
doaj   +1 more source

Prolific Compositions [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2019
Under what circumstances might every extension of a combinatorial structure contain more copies of another one than the original did? This property, which we call prolificity, holds universally in some cases (e.g., finite linear orders) and only ...
Murray Tannock, Michael Albert
doaj   +1 more source

A Note on the Composition of a Positive Integer whose Parts are Odd Integers

open access: yesTurkish Journal of Mathematics and Computer Science, 2023
In this study, we interested in the compostions of integers. Then, the combinations of an integer whose each part is odd were examined. \begin{equation*} O_{n}=\{(2a_{1}+1,...,2a_{t}+1):\text{ }2a_{1}+1+...+2a_{t}+1=n\text{ and \ } a_{i}\text{ positive integer}\}.
Busra AL, Mustafa ALKAN
openaire   +2 more sources

Integrating Time‐Adjusted Imaging Instability Into Functional Outcome Prediction After Intracerebral Hemorrhage: Development and Validation of the HAGIV Score

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Early risk stratification may support clinical decision‐making in spontaneous intracerebral hemorrhage (ICH). We aimed to develop and internally validate HAGIV, a score integrating frequency of imaging markers (FIM), a time‐adjusted non‐contrast computed tomography (CT) metric of hematoma expansion, with established predictors for 90‐
Lei Song   +10 more
wiley   +1 more source

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