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Nielsen, A. C.

Nielsen number of a covering map

Nielsen number of a covering map

... We recall the basic definitions [2, 3]. Let f : X → X be a self-map of a compact polyhe- dron. Let Fix( f ) = { x ∈ X; f (x) = x } denote the fixed point set of f . We define the Nielsen relation on Fix( f ) ...

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Clinical and molecular findings in a Moroccan family with Jervell and Lange Nielsen syndrome: a case report

Clinical and molecular findings in a Moroccan family with Jervell and Lange Nielsen syndrome: a case report

... Jervell and Lange-Nielsen syndrome (JLNS), Mendelian Inheritance in Man (MIM) 220400, is a rare autosomal recessive cardioauditory ion channel disorder that affects 1/200,000 to 1/1,000,000 children [1, 2]. It is ...

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Epsilon Nielsen fixed point theory

Epsilon Nielsen fixed point theory

... the Nielsen number N( f ) has the property N( f ) ≤ MF[ f ], in the next section we will introduce the -Nielsen num- ber N ( f ), for su ffi ciently small, that has the property N ( f ) ≤ MF ( f ...

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Coincidence theory for spaces which fiber over a nilmanifold

Coincidence theory for spaces which fiber over a nilmanifold

... Let Y be a finite connected complex and p : Y → N a fibration over a compact nilmanifold N. For any finite complex X and maps f ,g : X → Y , we show that the Nielsen coincidence number N( f ,g ) vanishes if the ...

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Two topological definitions of a Nielsen number for coincidences of noncompact maps

Two topological definitions of a Nielsen number for coincidences of noncompact maps

... the Nielsen number simply as the minimal number of fixed points of all maps of a given homotopy ...the Nielsen number (the reason for this name will soon become ...

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Formulas for the Reidemeister, Lefschetz and Nielsen coincidence number of maps between infra-nilmanifolds

Formulas for the Reidemeister, Lefschetz and Nielsen coincidence number of maps between infra-nilmanifolds

... the Nielsen number ...the Nielsen number is a lower bound for the number of fixed ...the Nielsen number coincides with the minimal number of fixed point in the homo- topy class of the map when the ...

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Nielsen Type Numbers of Self-Maps on the Real Projective Plane

Nielsen Type Numbers of Self-Maps on the Real Projective Plane

... Topological fixed point theory deals with the estimation of the number of fixed points of maps. Readers are referred to 1 for a detailed treatment of this subject. The number of essential fixed point classes of self-maps ...

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Minimal Nielsen Root Classes and Roots of Liftings

Minimal Nielsen Root Classes and Roots of Liftings

... In the previous section, we saw several examples of maps from 2-dimensional CW complexes into closed surfaces having lifting through some covering space and not having all Nielsen root classes with minimal ...

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Cryptographic Protocols Based on Nielsen Transformations

Cryptographic Protocols Based on Nielsen Transformations

... using Nielsen transformations. Nielsen transformations are a linear technique to study free groups and general infinite ...regular Nielsen transformation between two basis of F , and each regular ...

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Global Polynomial Kernel Hazard Estimation

Global Polynomial Kernel Hazard Estimation

... e.g. Nielsen, Tanggaard & Jones (2009), Gámiz Pérez, Martínez Miranda & Nielsen (2013b) and Spreeuw, Nielsen & Jarner ...in Nielsen & Tanggaard ...

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Higher-order Nielsen numbers

Higher-order Nielsen numbers

... In the classical Nielsen theory, the coincidence index provides an algebraic count of co- incidence points. It satisfies the usual properties: (1) homotopy invariance: the index is invariant under homotopies of f ...

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Proceedings of the International Workshop on EuroPLOT Persuasive Technology for Learning, Education and Teaching (IWEPLET 2013)

Proceedings of the International Workshop on EuroPLOT Persuasive Technology for Learning, Education and Teaching (IWEPLET 2013)

... The other branch of Winther-Nielsen's architecture is motivation with similar functions and set up in a parallel track to focus on increasingly persuasive feedback. In the traditional curriculum, the first and often only ...

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A Sour Carrot and a Big Stick: Reviving Antitrust Enforcement After Stolt-Nielsen

A Sour Carrot and a Big Stick: Reviving Antitrust Enforcement After Stolt-Nielsen

... Specifically, the DOJ should announce its policy in a public forum such as a national conference. In this announcement, the DOJ should acknowledge the concerns many companies are likely experiencing after ...

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Serine Threonine Kinases Encoded by Split hipA Homologs Inhibit Tryptophanyl tRNA Synthetase

Serine Threonine Kinases Encoded by Split hipA Homologs Inhibit Tryptophanyl tRNA Synthetase

... IMPORTANCE Bacterial toxin-antitoxin (TA) modules confer multidrug tolerance (persistence) that may contribute to the recalcitrance of chronic and recurrent infec- tions. The first high-persister gene identified was hipA ...

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Verb Phrase Ellipsis detection using Automatically Parsed Text

Verb Phrase Ellipsis detection using Automatically Parsed Text

... Verb Phrase Ellipsis detection using Automatically Parsed Text Leif Arda Nielsen Department of Computer Science King?s College London nielsen@dcs kcl ac uk Abstract This paper describes a Verb Phrase[.] ...

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Developing a new generation of breast cancer clinical gene expression tests

Developing a new generation of breast cancer clinical gene expression tests

... Kim C, Baker J, Kim W, Cronin M, Baehner FL, Watson D, Bryant J, Costantino JP, Geyer CE Jr, Wickerham DL, Wolmark N: Gene expression and benefit of chemotherapy in women with node-negative, estrogen ...

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The translation of management knowledge : challenges, contributions and new directions

The translation of management knowledge : challenges, contributions and new directions

... and Nielsen identify similarities and differences across the three perspectives upon ...and Nielsen (2016) to conclude that one can compensate for the weaknesses of the ...

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Workplace Bullying and Job Attitudes: The Moderating Role of Coping Strategies

Workplace Bullying and Job Attitudes: The Moderating Role of Coping Strategies

... This study explores part of the proposed comprehensive theoretical framework, focusing on the key claim: coping activities moderate the relationship between exposure to workplace bullying and attitudinal outcomes such as ...

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Diagnosis of Breast Cancer from Mammograms by Using Fractal Measures

Diagnosis of Breast Cancer from Mammograms by Using Fractal Measures

... Nielsen, “Fractal dimension and lacunarity analysis of mammographic patterns in assessing breast cancer risk related to HRT treated population: a longitudinal and cro[r] ...

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The Linkage between Entrepreneurial Capabilities and the Repetitive Entrepreneurial Intention and Action of Surviving Entrepreneurs

The Linkage between Entrepreneurial Capabilities and the Repetitive Entrepreneurial Intention and Action of Surviving Entrepreneurs

... Zahra, Nielsen and Bogner (1999:175) are of the opinion that the competencies of existing entrepreneurs who have recurring entrepreneurial intentions or who have ta[r] ...

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