-
1801
Flexible and cost-effective deep learning for accelerated multi-parametric relaxometry using phase-cycled bSSFP
Published 2025-02-01“…Abstract To accelerate the clinical adoption of quantitative magnetic resonance imaging (qMRI), frameworks are needed that not only allow for rapid acquisition, but also flexibility, cost efficiency, and high accuracy in parameter mapping. …”
Get full text
Article -
1802
Integral mean estimates for polynomials whose zeros are within a circle
Published 2001-01-01“…Let p(z) be a polynomial of degree n having all its zeros in |z|≤k; k≤1, then for each r>0, p>1, q>1 with p−1+q−1=1, Aziz and Ahemad (1996) recently proved that n{∫02π|p(eiθ)|rdθ}1/r≤{∫02π|1+keiθ|prdθ}1/pr{∫02π|p′(eiθ)|qrdθ}1/qr. …”
Get full text
Article -
1803
Global Existence and Blow-Up Solutions and Blow-Up Estimates for Some Evolution Systems with p-Laplacian with Nonlocal Sources
Published 2007-01-01“…This paper deals with p-Laplacian systems ut−div(|∇u|p−2∇u)=∫Ωvα(x, t)dx, x∈Ω, t>0, vt−div(|∇v|q−2∇v)=∫Ωuβ(x,t)dx, x∈Ω, t>0, with null Dirichlet boundary conditions in a smooth bounded domain Ω⊂ℝN, where p,q≥2, α,β≥1. …”
Get full text
Article -
1804
Understanding the Pathogenesis of Angelman Syndrome through Animal Models
Published 2012-01-01“…The disease is primarily caused by deletion or loss-of-function mutations of the maternally inherited UBE3A gene located within chromosome 15q11-q13. The UBE3A gene encodes a 100 kDa protein that functions as ubiquitin ligase and transcriptional coactivator. …”
Get full text
Article -
1805
Parallel RFSAI-BFGS Preconditioners for Large Symmetric Eigenproblems
Published 2013-01-01“…A sequence of preconditioners starting from an enhanced approximate inverse RFSAI (Bergamaschi and Martínez, 2012) and enriched by a BFGS-like update formula is proposed to accelerate the preconditioned conjugate gradient solution of the linearized Newton system to solve Au=q(u)u, q(u) being the Rayleigh quotient. In a previous work (Bergamaschi and Martínez, 2013) the sequence of preconditioned Jacobians is proven to remain close to the identity matrix if the initial preconditioned Jacobian is so. …”
Get full text
Article -
1806
TÜRKİYE’NİN GSYİH TAHMİNİ İÇİN YAPAY SİNİR AĞLARI MODEL PERFORMANSLARININ KARŞILAŞTIRILMASI
Published 2015-04-01“…Kullanılan YSA mimarilerinin tahmin performansları incelendiğinde 4 girdi katmana sahip RTFA modelinin en yüksek doğruluğu sağladığı görülmüş ve bu model yardımıyla 2013Q4:2014Q4 dönemleri için ekonomik büyüme oranı tahminleri üretilmiştir. …”
Get full text
Article -
1807
Solving a system of nonlinear difference equations with bilinear dynamics
Published 2024-12-01“…The system monitored the evolution of three sequences $ \left(P_{m}\right), $ $ \left(Q_{m}\right), $ $ \left(R_{m}\right) $, governed by recursive relations. …”
Get full text
Article -
1808
On Complex Dynamics of Differentiated Products: Cournot Duopoly Model under Average Profit Maximization
Published 2022-01-01“…In the symmetric case where both firms are identical, the map has the property of symmetry, and this implies that the diagonal q1=q2 forms an invariant manifold and therefore synchronization phenomena occur. …”
Get full text
Article -
1809
TÜRKİYE EKONOMİSİNDE FİNANSAL LİBERALİZASYON VE EKONOMİK BÜYÜME ETKİLEŞİMİNİN ARDL YÖNTEMİ İLE ANALİZİ
Published 2012-06-01“…Bu çalışmada Türkiye ekonomisinde 1980’li yıllar sonrasında uygulanan finansal liberalizasyon politikalarının ekonomik büyüme oranları üzerinde yol açtığı etki, 1989.Q1-2010.Q1 dönemi kapsamında çeyrek dönemlik veriler yardımıyla belirlenmeye çalışılmıştır. …”
Get full text
Article -
1810
Toy Models of Universe with an Effective Varying Λ-Term in Lyra Manifold
Published 2015-01-01“…We found that the models correspond to the transit Universe, which will enter the accelerated expansion phase and will remain there with a constant deceleration parameter q. We found also that the Λt is a decreasing function which takes a small positive value with Ωm≠0 and ΩQ→const dominating Ωm in the old Universe. …”
Get full text
Article -
1811
An enunciative description of three concessive sentence adverbs in English: yet, however, nevertheless
Published 2021-12-01“…Concessive constructions involve a complex operation whereby a speaker marks recognition, if not endorsement, of an inferential relationship obtaining between two states of affairs p and q, while at the same time overriding this relationship in context. …”
Get full text
Article -
1812
Green's Function and Convergence of Fourier Series for Elliptic Differential Operators with Potential from Kato Space
Published 2010-01-01“…We consider the Friedrichs self-adjoint extension for a differential operator A of the form A=A0+q(x)⋅, which is defined on a bounded domain Ω⊂ℝn, n≥1 (for n=1 we assume that Ω=(a,b) is a finite interval). …”
Get full text
Article -
1813
Positive Solutions for Some Competitive Fractional Systems in Bounded Domains
Published 2013-01-01“…The potential functions p,q are nonnegative and required to satisfy some adequate hypotheses related to the Kato class of functions Kα(D).…”
Get full text
Article -
1814
Generalized m-Polar Fuzzy Positive Implicative Ideals of BCK-Algebras
Published 2021-01-01“…Then, we introduce the concepts of m-polar ∈,∈∨q-fuzzy positive implicative ideals and m-polar ∈¯,∈¯∨q¯-fuzzy positive implicative ideals in BCK-algebras as a generalization of m-polar fuzzy positive implicative ideals. …”
Get full text
Article -
1815
A Simple Gaussian Measurement Bound for Exact Recovery of Block-Sparse Signals
Published 2014-01-01“…The obtained results extend those known for the standard lq minimization and the mixed l2/l1 minimization methods to the mixed l2/lq (0<q≤1) minimization method in the context of block-sparse signal recovery.…”
Get full text
Article -
1816
Nonlinear eigenvalue problems in Sobolev spaces with variable exponent
Published 2006-01-01“…We focus on the cases when f±(x, u)=±(-λ|u|m(x)-2u+|u|q(x)-2u), where m(x)≔max{p1(x),p2(x)}<q(x)<N⋅m(x)N-m(x) for any x∈Ω̅. …”
Get full text
Article -
1817
Seismological Observations on Amplitude‐Dependent Energy Dissipation in the Crust and Uppermost Mantle
Published 2025-01-01“…Abstract The amplitude‐dependent seismic attenuation in the crust and uppermost mantle was investigated using spectral analysis of crustal and intraslab earthquakes that occurred in two areas in northeastern Japan. P‐wave attenuation (Q−1) was found to be weakly proportional to amplitude (A) in both areas, following the relationship, Q−1∝An. …”
Get full text
Article -
1818
New Investigation of Millimeter-Wave Rotational Spectrum of CCl3CN in Ground, v7 = 1 and v8 = 1 States
Published 2008-01-01“…The 𝓁 = ±1 series have been assigned and the rotational parameters including B7 =1667.96659(25) MHz, (q+t)7=1.58855(94) MHz for v7 =1 and B8 =1667.08204 (31) MHz, (q+t)8 = 1.6141(36) MHz for v8 = 1 states were determined accurately.…”
Get full text
Article -
1819
Positive Solutions for Second-Order Singular Semipositone Differential Equations Involving Stieltjes Integral Conditions
Published 2012-01-01“…By means of the fixed point theory in cones, we investigate the existence of positive solutions for the following second-order singular differential equations with a negatively perturbed term: −u′′(t)=λ[f(t,u(t))−q(t)], 0<t<1, αu(0)−βu′(0)=∫01u(s)dξ(s), γu(1)+δu′(1)=∫01u(s)dη(s), where λ>0 is a parameter; f:(0,1)×(0,∞)→[0,∞) is continuous; f(t,x) may be singular at t=0, t=1, and x=0, and the perturbed term q:(0,1)→[0,+∞) is Lebesgue integrable and may have finitely many singularities in (0,1), which implies that the nonlinear term may change sign.…”
Get full text
Article -
1820
İŞSİZLİKTE UZUN HAFIZA ETKİSİ VE HİSTERİSİZ HİPOTEZİNİN GEÇERLİLİĞİ
Published 2019-05-01“…Söz konusu ülkelerin 2003:Q1–2017:Q4 dönemine ilişkin işsizlikverileri kullanılarak kesirli bütünleşme analizi yardımıyla incelenmektedir.Çalışmanın bulguları, Rusya ve Ukrayna için geçerli olduğu saptanan histerisizhipotezinin diğer ülkelerde ise geçerli olmadığına işaret etmektedir.…”
Get full text
Article