Results 61 to 70 of about 521,158 (273)

THE UNIFIED LEVELLING NETWORK OF SARAWAK AND ITS ADJUSTMENT [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
The height reference network of Sarawak has seen major improvement in over the past two decades. The most significant improvement was the establishment of extended precise leveling network of which is now able to connect all three major datum points at ...
Z. A. M. Som   +3 more
doaj   +1 more source

Moving the shared memory closer to the processors: DDM [PDF]

open access: yes, 1990
Multiprocessors with shared memory are considered more general and easier to program than message-passing machines. The scalability is, however, in favor of the latter.
Hagersten, Erik   +2 more
core   +1 more source

Time--space white noise eliminates global solutions in reaction diffusion equations

open access: yes, 2008
We prove that perturbing the reaction--diffusion equation $u_t=u_{xx} + (u_+)^p$ ($p>1$), with time--space white noise produces that solutions explodes with probability one for every initial datum, opposite to the deterministic model where a positive ...
Bandle   +19 more
core   +1 more source

Comparing the Last Interglacial (MIS 5e) with the present interglacial period (MIS 1) using a multidimensional functional diversity analysis: The marine molluscs from Santa Maria Island (Azores Archipelago, central Atlantic) as a case study

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT Marine fossil records hold outstanding importance for ecological, evolutionary and biogeographical studies. Santa Maria Island in the Azores Archipelago (central Atlantic) features a remarkable marine fossil record spanning from the Pliocene to recent times.
Sérgio P. Ávila   +16 more
wiley   +1 more source

Asphalted parking lots are environmental filters for multiple propagule dispersal and pollination strategies

open access: yesNordic Journal of Botany, EarlyView.
Understanding community assembly for wild species in anthropogenic settings has become increasingly important as biodiversity and ecosystem services are threatened by development pressures. Urban hardscape habitats such as parking lots are widespread, extreme, terrestrial anthropogenic environments that influence plant community assembly by way of ...
Lauren J. Frazee   +3 more
wiley   +1 more source

GPS, su datum vertical.

open access: yesUniciencia, 2004
La introducción de la metodología GPS en aplicaciones topográficas y geodésicas pone en notoria evidencia la clásica separación de sistemas de referencia en horizontal y vertical.
Esteban Dörries, Julio Roldán
doaj  

Prediction of polar motion and UT1-UTC based on the hybrid EEMD_LSTM model

open access: yesGeo-spatial Information Science
Accurate and real-time Earth rotation parameters (ERPs) are crucial for various scientific fields, including astronomy, geoscience, and oceanography.
Chenxiang Wang   +3 more
doaj   +1 more source

Distinguished principal series representations for GLn over a p-adic field [PDF]

open access: yes, 2008
In the following article, we give a description of the distingushed irreducible principal series representations of the general linear group over a p-adic field in terms of inducing datum.
Matringe, Nadir
core   +2 more sources

Decomposition of the adjoint representation of the small quantum $sl_2$

open access: yes, 1995
Given a finite type root datum and a primitive root of unity $q=\sqrt[l]{1}$, G.~Lusztig has defined in [Lu] a remarkable finite dimensional Hopf algebra $\fu$ over the cyclotomic field ${\Bbb Q}(\sqrt[l]{1})$.
Ostrik, V.
core   +2 more sources

Functional diversity in agricultural landscapes: evidence of long‐term clustering and multi‐scale effects of land use on avian communities

open access: yesOikos, EarlyView.
Functional diversity (FD) is an essential community property connecting biodiversity, ecosystem functioning, and conservation objectives. In agricultural landscapes, avian communities, which play key functional roles, are facing large‐scale biodiversity erosion, largely due to land‐use changes.
Pietro Tirozzi   +3 more
wiley   +1 more source

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