Results 31 to 40 of about 5,378,638 (296)
Arxius de Miscel-lània Zoològica, 2016 A specimen of dusky spinefoot Siganus luridus (Rüppel, 1829) was recorded in the peri-Mediterranean Lagoon of Bizerte located in northern Tunisia. This record constitutes the northernmost extension range of the species in the Tunisian waters, and the ...
K. Ounifi-Ben Amor +3 more
doaj +1 more source
, 1996 The time-evolution operator for an explicitly time-dependent Hamiltonian is expressed as the product of a sequence of unitary operators. These are obtained by successive time-dependent unitary transformations of the Hilbert space followed by the ...
Ali Mostafazadeh +5 more
core +2 more sources
Vacuum driven accelerated expansion [PDF]
, 2008 It has been shown that an improved estimation of quantum vacuum energy can yield not only acceptable but also experimentally sensible results. The very idea consists in a straightforward extraction of gravitationally interacting part of the full quantum ...
Ball +16 more
core +1 more source
Global analysis of DEF damage to concretes with and without fly-ash
Revista IBRACON de Estruturas e Materiais, 2021 Delayed Ettringite formation (DEF) is an internal expansive reaction that can damage concrete. DEF is strongly influenced by the temperature, above about 60-65°C, and other factors involving cement chemistry especially, but also its physical ...
Nicole Pagan Hasparyk +3 more
doaj +1 more source
Approximation Algorithms for Hypergraph Small Set Expansion and Small Set Vertex Expansion [PDF]
, 2014 The expansion of a hypergraph, a natural extension of the notion of expansion in graphs, is defined as the minimum over all cuts in the hypergraph of the ratio of the number of the hyperedges cut to the size of the smaller side of the cut.
Louis, Anand, Makarychev, Yury
core +2 more sources
Derivative Expansion and Soliton Masses [PDF]
, 1999 We present a simple algorithm to implement the generalized derivative expansion introduced previously by L-H. Chan, and apply it to the calculation of the one-loop mass correction to the classical soliton mass in the 1+1 dimensional Jacobi model. We then
Dunne, Gerald V.
core +2 more sources
, 2019 Chapter six explores the concept of ‘expansive learning’ taken from Fuller and Unwin’s (2003) research of apprenticeships where they identified a ‘restrictive- expansive continuum’ that classified the type of learning environment presented in the work place.
Holbery, Natalie +2 more
openaire +2 more sources
Wind Performance of New and Existing Continuous Beam Bridges During Construction Stages
BuildingsThis study assesses the wind resistance and vortex-induced vibration (VIV) risks of the Dongzhou River Bridge in China reconstruction during critical construction stages.
Fulin Yang +3 more
doaj +1 more source
, 2012 Let Ga be a subgroup of GL_d(Q) generated by a finite symmetric set S. For an integer q, denote by Ga_q the subgroup of Ga consisting of the elements that project to the unit element mod q.
A. Borel +47 more
core +1 more source
Integers, 2021 See the abstract in the attached pdf.
Dajani, Karma, Langeveld, Niels
openaire +4 more sources