Results 11 to 20 of about 49 (48)

Generalizations of quasielliptic curves [PDF]

Épijournal de Géométrie Algébrique
We generalize the notion of quasielliptic curves, which have infinitesimal symmetries and exist only in characteristic two and three, to a remarkable hierarchy of regular curves having infinitesimal symmetries, defined in all characteristics and having ...
Cesar Hilario, Stefan Schröer
doaj   +1 more source

On canonical bundle formula for fibrations of curves with arithmetic genus one

Forum of Mathematics, Sigma
In this paper, we develop canonical bundle formulas for fibrations of relative dimension one in characteristic $p>0$ . For such a fibration from a log pair $f\colon (X, \Delta ) \to S$ , if f is separable, we can obtain a formula similar to ...
Jingshan Chen, Chongning Wang, Lei Zhang
doaj   +1 more source

Upper bounds on the genus of hyperelliptic Albanese fibrations

Forum of Mathematics, Sigma
Let S be a minimal irregular surface of general type, whose Albanese map induces a hyperelliptic fibration $f:\,S \to B$ of genus g. We prove a quadratic upper bound on the genus g (i.e., $g\leq h\big (\chi (\mathcal {O}_S)\big )$ , where h ...
Songbo Ling, Xin Lü
doaj   +1 more source

La calidad funcional de las 16 unidades operativas del Distrito 14D06 como factor de resolución de las dos primeras causas de morbi-mortalidad [PDF]

, 2014
In this work will be performed an investigation descriptive study of the quality functional of health centers type "A", which are located in Limon Indanza cantons, Santiago Mendez and Tiwintza , belonging to the district 14D06 to the province of Morona ...
Anrango Cotacachi, Héctor Mauricio
core  

Semistable degenerations of Calabi–Yau manifolds and mirror P=W conjectures

Forum of Mathematics, Sigma
Mirror symmetry for a semistable degeneration of a Calabi–Yau manifold was first investigated by Doran–Harder–Thompson when the degenerate fiber is a union of two quasi-Fano manifolds.
Sukjoo Lee
doaj   +1 more source

Evaluación financiera de los dispensarios del Seguro Social Campesino de Bomboiza, Cambanaca, Indanza, Rosario I, Rosario IV, Tayuza, Unión III y Unión de Kalaglas, pertenecientes a los distritos 14d04 y 14d06 Morona Santiago - 2014 [PDF]

, 2016
El estudio del proyecto de Evaluación financiera de los dispensarios del Seguro Social Campesino de Bomboiza, Cambanaca, Indanza, Rosario I, Rosario IV, Tayuza, Unión III y Unión de Kalaglas, pertenecientes a los distritos 14d04 y 14d06 Morona ...
Díaz Alay, Zully Shirley
core  

Expansions for Hilbert schemes of points on semistable degenerations

Forum of Mathematics, Sigma
The aim of this paper is to extend the expanded degeneration construction of Li and Wu to obtain good degenerations of Hilbert schemes of points on semistable families of surfaces, as well as to discuss alternative stability conditions and parallels to ...
Calla Tschanz
doaj   +1 more source

K-stability of Thaddeus’ moduli of stable bundle pairs on genus two curves

Forum of Mathematics, Sigma
The moduli space of bundle stable pairs $\overline {M}_C(2,\Lambda )$ on a smooth projective curve C, introduced by Thaddeus, is a smooth Fano variety of Picard rank two.
Junyan Zhao
doaj   +1 more source

Polymatroids and moduli of points in flags

Forum of Mathematics, Sigma
We introduce and study different compactifications of the moduli space of n distinct weighted labeled points in a flag of affine spaces. We construct these spaces via the weighted and generalized Fulton-MacPherson compactifications of Routis and Kim-Sato.
Patricio Gallardo, Javier González-Anaya, Jose Gonzalez   +2 more
doaj   +1 more source

Relación entre mala práctica ergonomica y riesgo de lesiones musculoesqueleticas laborales

El objetivo de esta investigación es identificar los riesgos ergonómicos y la prevalencia de lesiones músculo-esqueléticas del personal de la salud en la Dirección Distrital 14D06 Salud, cuidad de Santiago de Méndez, Provincia de Morona Santiago en los ...
Calle Méndez , Olger German
core   +1 more source