Results 31 to 40 of about 264,685 (296)

Reseña de libro Desarrollo rural en Nicaragua. Del consenso en los principios a una propuesta para la acción

open access: yesEconomía Agraria y Recursos Naturales, 2016
José Juan Romero y Gabriel Ferrero (Eds.) 2004 Editorial Desclée de Brouwer ...
José Mª March Poquet
doaj   +1 more source

On Brouwer's conjecture for the sum of k largest Laplacian eigenvalues of graphs

open access: yesLinear Algebra and its Applications, 2019
Let G be a simple graph with n vertices. For 1 ≤ k ≤ n , denote by S k ( G ) the sum of k largest Laplacian eigenvalues of G. It is conjectured by Brouwer that S k ( G ) ≤ e ( G ) + ( k + 1 2 ) , where e ( G ) is the number of edges in G. This conjecture
Xiaodan Chen
semanticscholar   +1 more source

Leo Brouwer: 80 años sublimando el lenguaje guitarrístico

open access: yesOpus, 2019
Leo Brouwer, el guitarrista, el compositor, el teórico que une los extremos de los diversos estilos musicales en un continuum sabio y vital. A seguir, mostraremos una conversación en la que el músico cubano da muestra de su sofisticado pensamiento ...
Fernando Elías Llanos
doaj   +1 more source

Brouwer and Euclid [PDF]

open access: yes, 2017
We explore the relationship between Brouwer's intuitionistic mathematics and Euclidean geometry. Brouwer wrote a paper in 1949 called "The contradictority of elementary geometry".
M. Beeson
semanticscholar   +1 more source

Interpolation in Normal Extensions of the Brouwer Logic [PDF]

open access: yes, 2016
The Craig interpolation property and interpolation property for deducibility are considered for special kind of normal extensions of the Brouwer ...
Kostrzycka, Zofia
core   +1 more source

Spectral threshold dominance, Brouwer's conjecture and maximality of Laplacian energy [PDF]

open access: yes, 2016
The Laplacian energy of a graph is the sum of the distances of the eigenvalues of the Laplacian matrix of the graph to the graph's average degree. The maximum Laplacian energy over all graphs on n nodes and m edges is conjectured to be attained for ...
C. Helmberg, V. Trevisan
semanticscholar   +1 more source

Brouwer's fixed-point theorem in real-cohesive homotopy type theory [PDF]

open access: yesMathematical Structures in Computer Science, 2015
We combine homotopy type theory with axiomatic cohesion, expressing the latter internally with a version of ‘adjoint logic’ in which the discretization and codiscretization modalities are characterized using a judgemental formalism of ‘crisp variables ...
Michael Shulman
semanticscholar   +1 more source

Implementing Brouwer’s database of strongly regular graphs [PDF]

open access: yesDes. Codes Cryptogr., 2016
Andries Brouwer maintains a public database of existence results for strongly regular graphs on $$n\le 1300$$n≤1300 vertices. We have implemented most of the infinite families of graphs listed there in the open-source software Sagemath (The Sage ...
Nathann Cohen, D. Pasechnik
semanticscholar   +1 more source

Reseñas

open access: yesRevista de Fomento Social, 2003
Reseñas de la obra de: BARCELÓ, B., (2003), Crecer en grupo. Una aproximación desde el enfoque centrado en la persona, Bilbao, Desclée de Brouwer, 324 págs. MONTERO SIMÓ, M.J., (2003), El marketing de las ONGD. La gestión del cambio social, Bilbao,
José Luis Trechera Herreros   +2 more
doaj   +1 more source

Higher order functions and Brouwer’s thesis [PDF]

open access: yesJournal of functional programming, 2016
Extending Martín Escardó’s effectful forcing technique, we give a new proof of a well-known result: Brouwer’s monotone bar theorem holds for any bar that can be realized by a functional of type (ℕ→ℕ)→ℕ in Gödel’s System T.
Jonathan Sterling
semanticscholar   +1 more source

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