ARTICLES

Filter  
Active filters 0
Remove
  

Refine your searches by:

Collections
Social Sciences
Education
Literature
History
Research
Religion
Technology
Zoology
Languages
Agronomy and forestry
all records (74)

Languages
English
Spanish
Portuguese
German
French

Countries
Brazil
USA
Denmark
Indonesia
South Africa
Canada
Spain
Mexico
Colombia
Germany
all records (75)

Years
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
all records (24)

Filter  
 
21.091  Articles
1 of 2.110 pages  |  10  records  |  more records»
Given nn sets X1,…,XnX_1,\ldots, X_n, we call the elements of S=X1×?×XnS=X_1\times\cdots\times X_n strings. A nonempty set of strings W?SW\subseteq S is said to be well-connected if for every v?Wv\in W and for every i(1=i=n)i\, (1\le i\le n), there i... see more


It is shown that if a d-dimensional cube is decomposed into n cubes, the side lengthsof which belong to the interval (1-n1/d1+1,1], then n is a perfect d-th power and allcubes are of the same size. This result is essentially tight.

Resenha de SCRHÕDER, Peter. De JOÃO PACHECO DE OLIVEIRA (ORG.). A Viagem da Volta: Etnicidade, Política e Reelaboraqâo Cultural no Nordeste Indígena (Territórios Socfais, 2) Rio de Janeiro: Contra Capa, 1999, 350 pp.

Resenha de SCRHÕDER, Peter. De JOÃO PACHECO DE OLIVEIRA (ORG.). A Viagem da Volta: Etnicidade, Política e Reelaboraqâo Cultural no Nordeste Indígena (Territórios Socfais, 2) Rio de Janeiro: Contra Capa, 1999, 350 pp.

Introduction: The bat genus Vampyriscus Thomas, 1990 (Phyllostomidae) comprises V. bidens, V. brocki, and V. nymphaea, all occurring in the Neotropics, but only the first two are in Peru. We review the taxonomy and distribution of V. brocki in Peru, provi... see more

In a 2011 paper, Gyárfás investigated a geometric Ramsey problem on convex, separated, balanced, geometric Kn,nK_{n,n}. This led to appealing extremal problem on square 0-1 matrices. Gyárfás conjectured that any 0-1 matrix of... see more

Juan Maiguashca ha sido un actor fundamental en la renovación de la historia política ecuatoriana. Sus trabajos, entre los que podemos destacar Historia y región en el Ecuador 1830-1930 (1994), Historia de América Andina: vol. 5: Creación de las República... see more


1 of 2.110 pages  |  10  records  |  more records»