Zobrazeno 1 - 10
of 38
pro vyhledávání: '"José Ignacio Cogolludo-Agustín"'
Publikováno v:
Acta Scientiae. 24:476-503
Background: Studies on cognition in children with Down Syndrome (Trisomy 21) have described poor performance manipulating numbers. Elisabetta Monari's (2002) research suggest that considering mathematics as a universe of exploration beyond written ar
Publikováno v:
International Journal of Disability, Development and Education. 66:186-205
It is widely known that people with Down syndrome have difficulties transitioning from a basic understanding of counting and cardinality to more advanced arithmetic skills. This is commonly address...
We explicitly compute the homology groups with coefficients in a field of characteristic zero of cocyclic subgroups or even Artin groups of FC-type. We also give some partial results in the case when the coefficients are taken in a field of prime cha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bc332662f7244decf0dd5e4c07f6429
http://arxiv.org/abs/2102.11817
http://arxiv.org/abs/2102.11817
Publikováno v:
Trends in Mathematics ISBN: 9783030619572
In this work, we study a family of Cremona transformations of weighted projective planes which generalize the standard Cremona transformation of the projective plane. Starting from special plane projective curves we construct families of curves in we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09733778db58e188b7bcdf79504eaf4f
https://doi.org/10.1007/978-3-030-61958-9_7
https://doi.org/10.1007/978-3-030-61958-9_7
Publikováno v:
Zaguán: Repositorio Digital de la Universidad de Zaragoza
Universidad de Zaragoza
Zaguán. Repositorio Digital de la Universidad de Zaragoza
instname
Universidad de Zaragoza
Zaguán. Repositorio Digital de la Universidad de Zaragoza
instname
The present paper studies the structure of characteristic varieties of fundamental groups of graph manifolds. As a consequence, a simple proof of Papadima's question is provided on the characterization of algebraic links that have quasi-projective fu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24c2197d76b31fa7de513315b39491dd
http://zaguan.unizar.es/record/97081
http://zaguan.unizar.es/record/97081
Publikováno v:
Revista Matemática Complutense. 32:419-450
This paper deals with the invariant $$R_X$$ called the RR-correction term, which appears in the Riemann–Roch and Numerical Adjunction Formulas for normal surface singularities. Typically, $$R_X=\delta ^\text {top}_X-\delta ^\text {an}_X$$ decompose
Publikováno v:
Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas. 112:641-656
The computation of the fundamental group of the complement of an algebraic plane curve has been theoretically solved since Zariski-van Kampen, but actual computations are usually cumbersome. In this work, we describe the notion of Wirtinger presentat
Publikováno v:
Singularities, Algebraic Geometry, Commutative Algebra, and Related Topics ISBN: 9783319968261
In this work we use arithmetic, geometric, and combinatorial techniques to compute the cohomology of Weil divisors of a special class of normal surfaces, the so-called rational ruled toric surfaces. These computations are used to study the topology o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01b646d1c4929ec0e4a167caa249b952
https://doi.org/10.1007/978-3-319-96827-8_13
https://doi.org/10.1007/978-3-319-96827-8_13
Publikováno v:
Geom. Topol. 22, no. 7 (2018), 3979-4011
Even Artin groups generalize right-angled Artin groups by allowing the labels in the defining graph to be even. In this paper a complete characterization of quasi-projective even Artin groups is given in terms of their defining graphs. Also, it is sh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0d95d3804460ba3a1154f2128d803a0
https://projecteuclid.org/euclid.gt/1544756692
https://projecteuclid.org/euclid.gt/1544756692
Publikováno v:
Zaguán. Repositorio Digital de la Universidad de Zaragoza
instname
instname
We show that quasi-projective Bestvina-Brady groups are fundamental groups of complements to hyperplane arrangements. Furthermore we relate other normal subgroups of right-angled Artin groups to complements to arrangements of hypersurfaces. We thus o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bba3d6804f7b1d1a2fc44ec265d8202a
http://zaguan.unizar.es/record/61862
http://zaguan.unizar.es/record/61862