Results 61 to 70 of about 72,462 (294)
Groups with Preassigned Central and Central Quotient Group [PDF]
Every group G determines two important structural invariants, namely its central C(G) and its central quotient group Q(G) =G/C(G). Concerning these two invariants the following two problems seem to be most elementary. If A and B are two groups, to find necessary and sufficient conditions for the existence of a group G such that A and C(G), B and Q(G ...
openaire +1 more source
Abstract Volunteers have been involved in nature observations for decades through citizen science initiatives, providing large data sets as well as problem identification that allow a more complete understanding of many natural phenomena. Although communication is a core component in citizen science, the key factors that determine its effectiveness in ...
Kristiina Gibson +18 more
wiley +1 more source
El pueblo andino y la dialéctica de Dios
Este artículo versa sobre la sociedad andina, vertida en dos realidades teológicas: el dios de los Andes centrales y el dios de la cristiandad occidental junto al dios bíblico. Su fin es analizar las razones de su contexto.
Calixto Huanca Cárdenas
doaj +1 more source
Legacy effects of European colonialism on hotspots of biocultural diversity threat
Abstract Patterns of biological diversity have been shaped by cultural practices in the past, while in turn, cultures and languages have evolved in close interaction with local species and ecosystems. However, in the Anthropocene, human activities are putting increasingly diverse pressures on ecosystems and cultures, resulting in accelerating threat ...
Bernd Lenzner +4 more
wiley +1 more source
Durante el proceso de colonización de los Andes centrales neogranadinos las mantas de algodón que tejían los indígenas se convirtieron en objetos muy apreciados lo que afectó sus dinámicas de producción, trabajo y comercio, que incluían el cultivo ...
Claudia Marcela Vanegas Durán
doaj +1 more source
Aesthetic values as relational values: Environmental aesthetics in go‐along interviews
Abstract Aesthetic values are often categorised as a type of relational values, yet their shared characteristics with other relational values remain largely unexplored. To address this gap, we turn to Emily Brady's theory of environmental aesthetics; her interpretation of aesthetic value exhibits important parallels with the concept of relational ...
Rafael Zinnenlauf +3 more
wiley +1 more source
Los glaciares de escombros (rockglaciers) son las geoformas periglaciales con permafrost reptante más típicas e importantes, por su volumen en criosedimentos congelados y hielo, de los Andes Centrales.
Darío Trombotto Liaudat
doaj
Potencial ficorremediador de algas altoandinas Mougeotia sp. y Spirogyra sp. (Charophyta)
En el siglo XVIII, durante el virreinato del Perú, la mina Cerro de Pasco inició la explotación de plata y plomo, actividad que persiste hasta la actualidad y que continúa contaminando con metales pesados el suelo y las aguas de la cuenca del río San ...
Enoc Jara Peña +6 more
doaj +1 more source
On central loops and the central square property
The representation sets of a central square C-loop are investigated. Isotopes of central square C-loops of exponent 4 are shown to be both C-loops and A-loops.
Adéníran, John Olúsọlá +1 more
openaire +3 more sources
Central and peripheral demyelination
ABSTRACTSeveral conditions cause damage to the inherently normal myelin of central nervous system, perepheral nervous system or both central and perepheral nervous system and hence termed as central demyelinating diseases, perepheral demyelinating diseases and combined central and perepheral demyelinating diseases respectively.
Mehndiratta, Man Mohan +1 more
openaire +2 more sources

