Results 21 to 30 of about 646,451 (325)

A fundamental theorem for algebroid function in k-punctured complex plane

open access: yesAIMS Mathematics, 2021
The main purpose of this article is to study the value distribution of algebroid function in the k-punctured complex plane. We establish the second fundamental theorems for algebroid function concerning small algebroid functions in the k-punctured ...
Hong Yan Xu   +3 more
doaj   +1 more source

Combinatorics of symplectic invariant tensors [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2015
An important problem from invariant theory is to describe the subspace of a tensor power of a representation invariant under the action of the group. According to Weyl's classic, the first main (later: 'fundamental') theorem of invariant theory states ...
Martin Rubey, Bruce W. Westbury
doaj   +1 more source

Degenerate ground states and nonunique potentials: breakdown and restoration of density functionals [PDF]

open access: yes, 2006
The Hohenberg-Kohn (HK) theorem is one of the most fundamental theorems of quantum mechanics, and constitutes the basis for the very successful density-functional approach to inhomogeneous interacting many-particle systems.
C. A. Ullrich   +9 more
core   +2 more sources

Cluster Complexes via Semi-Invariants

open access: yes, 2008
We define and study virtual representation spaces having both positive and negative dimensions at the vertices of a quiver without oriented cycles. We consider the natural semi-invariants on these spaces which we call virtual semi-invariants and prove ...
Gordana Todorov   +4 more
core   +1 more source

Reconsidering Newton’s Intuition Related to the Fundamental Theorem of Calculus

open access: yesJournal of Educational Research in Mathematics, 2021
The purpose of this study is to refute an argument in Kang (2019) and offer alternative views concerning the analysis of the historical genesis of the fundamental theorem of calculus.
doaj   +1 more source

Double calculus [PDF]

open access: yesSurveys in Mathematics and its Applications, 2023
We present a streamlined, slightly modified version, in the two-variable situation, of a beautiful, but not so well known, theory by Bögel, already from the 1930s, on an alternative higher dimensional calculus of real functions, a double calculus, which ...
Patrik Lundström
doaj  

Proofs of the fundamental theorem of algebra [PDF]

open access: yes, 1929
Thesis (M.A.)--Boston University, 1929.
MacGregor, Milton Emery
core   +1 more source

Upgrading the Local Ergodic Theorem for planar semi-dispersing billiards

open access: yes, 2009
The Local Ergodic Theorem (also known as the `Fundamental Theorem') gives sufficient conditions under which a phase point has an open neighborhood that belongs (mod 0) to one ergodic component.
A. Krámli   +20 more
core   +4 more sources

An Adaptive Human Pilot Model With Reaction Time Delay for Enhanced Adaptive Control in Piloted Systems

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView.
This work introduces an adaptive human pilot model that captures pilot time‐delay effects in adaptive control systems. The model enables the prediction of pilot–controller interactions, facilitating safer integration and improved design of adaptive controllers for piloted applications.
Abdullah Habboush, Yildiray Yildiz
wiley   +1 more source

Foundations of Ecological and Evolutionary Change

open access: yesEcology and Evolution
Biological evolution is realised through the same mechanisms of birth and death that underlie change in population density. The deep interdependence between ecology and evolution is well established, and recent models focus on integrating eco ...
A. Bradley Duthie, Victor J. Luque
doaj   +1 more source

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