Results 1 to 10 of about 1,329,335 (315)

A Semigroup Is Finite Iff It Is Chain-Finite and Antichain-Finite [PDF]

open access: yesAxioms, 2021
A subset A of a semigroup S is called a chain (antichain) if ab∈{a,b} (ab∉{a,b}) for any (distinct) elements a,b∈A. A semigroup S is called periodic if for every element x∈S there exists n∈N such that xn is an idempotent.
Iryna Banakh   +2 more
doaj   +3 more sources

The Modelling of the Urea Fertilizer Dissolution Process in Finite/Infinite Volumes of Water [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2022
This research aims to provide a model to investigate the impact of some parameters such as impeller speed, temperature, and solid concentration on mass transfer coefficient and the dissolution rate of urea fertilizer in the water.
Samira Moradi   +2 more
doaj   +1 more source

Transcendental Time and Empirical Time: Two Types of Time and Their Internal Connection in the Laozi

open access: yesReligions, 2023
The concept of time in Laozi’s philosophy is more complicated than it appears. Its complexity stems from the fact that there are two distinct concepts of time: the temporality of empirical things, which is constructed as a finitely continuous temporal ...
Zhongjiang Wang, Qiuhong Li
doaj   +1 more source

El rol de la Einbildungskraft en la filosofía de Fichte y de Novalis. La relación finito-infinito en el idealismo "de lo" absoluto

open access: yesSíntesis. Revista de Filosofía, 2021
The aim of this paper is to discuss the philosophical relationship between Johann Gottlieb Fichte (1762-1814) and Friedrich von Hardenberg (Novalis) (1772-1801).
Lucas Damián Scarfia
doaj   +1 more source

Moral and Right. Conceptual contradictions in Fichte’s philosophical system of Jena’s years (1794-1799)

open access: yesEstudios de Filosofía, 2021
The present article states that the development of Fichte’s philosophy of Right stands in contradiction with the way that he founded the metaphysical ground of his system: morality as I’s rational and practical search to overcome the check of reality and
Lucas Damián Scarfia
doaj   +1 more source

Argument „ze skończoności” jako wariant kosmologicznego uzasadniania istnienia Boga

open access: yesStudia Philosophiae Christianae, 2021
In this paper I examine a variant of the cosmological argument for the existence of God – the ‘proof from finitude’, and develop Georg W.F. Hegel’s intuitions on this issue.
Marek Łagosz
doaj   +1 more source

Climate change and human footprint increase insect defoliation across central boreal forests of Canada

open access: yesFrontiers in Ecology and Evolution, 2023
Anthropogenic climate change is contributing to increased insect infestation globally, leading to pest population growth, expansion of niche and geographic ranges as well as increased outbreak frequencies, resulting in economic losses and reduction in ...
Michelle Kalamandeen   +7 more
doaj   +1 more source

A Finite Axiomatisation of Finite-State Automata Using String Diagrams [PDF]

open access: yesLogical Methods in Computer Science, 2023
We develop a fully diagrammatic approach to finite-state automata, based on reinterpreting their usual state-transition graphical representation as a two-dimensional syntax of string diagrams. In this setting, we are able to provide a complete equational
Robin Piedeleu, Fabio Zanasi
doaj   +1 more source

Minimal important difference, patient acceptable symptom state and longitudinal validity of oxford elbow score and the quickDASH in patients with tennis elbow

open access: yesBMC Medical Research Methodology, 2023
Background The Oxford Elbow Score (OES) and the short version of Disabilities of Arms, Shoulder and Hand (QuickDASH) are common patient-reported outcomes for people with elbow problems.
Teemu Karjalainen   +7 more
doaj   +1 more source

Peri-implant bone resorption risk of anterior maxilla narrow single implants: a finite-element analysis

open access: yesBiomaterial Investigations in Dentistry, 2022
Statement of the problem: Narrow implants have been recommended in high esthetic demand regions to ensure greater buccal bone thickness (BBT) and minimize soft-tissue recession due to insufficient bone support.
Ivan Onone Gialain   +5 more
doaj   +1 more source

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