-
3981
A Monte Carlo simulation study of the impact of increasing the axial field of view on PET scanner sensitivity with various scintillating crystals
Published 2025-01-01“…Simulations examined six scintillation materials (BGO, GSO, LSO, LYSO, LuAP, and NaI) across AFOV sizes from 15.9 cm to 79.5 cm. …”
Get full text
Article -
3982
A duality theorem for solutions of elliptic equations
Published 1990-01-01“…We consider the linear space of all solutions of the equation Lu=0 on Ω with the topology of uniform convergence on compact subsets and describe the topological dual of this space. …”
Get full text
Article -
3983
Uniform Energy Decay Rates for the Fuzzy Viscoelastic Model with a Nonlinear Source
Published 2020-01-01“…This paper considers the fuzzy viscoelastic model with a nonlinear source utt+Lu+∫0tgt−ζΔuζdζ−uγu−ηΔut=0 in a bounded field Ω. …”
Get full text
Article -
3984
Convergence of p-series revisited with applications
Published 2006-01-01“…In either case, we extend the results obtained by Hansheng and Lu (2005) to any integer k≥2. Some numerical examples are given.…”
Get full text
Article -
3985
Deformation of domain and the limit of the variational eigenvalues of semilinear elliptic operators
Published 1996-01-01“…We consider the semilinear elliptic eigenvalue problem {Lu+f(x,u)=μu in Ωr(r≥0),u=0 on ∂Ωr. The asymptotic behavior of the variational eigenvalues μ=μn(r,α) obtained by Ljusternik-Schnirelman theory is studied when the domain Ω0 is deformed continuously. …”
Get full text
Article -
3986
Risk and Prognosis of Hepatocellular Carcinoma in Mexican Americans with Type 2 Diabetes Mellitus
Published 2025-01-01“…Rikita I Hatia,1 Lu-Yu Hwang,2 Ruosha Li,3 Catherine Troisi,4 Prasun K Jalal,5 Christopher I Amos,6 Henry F Gomez,1 Yun Shin Chun,7 Asif Rashid,8 Ahmed O Kaseb,9 Paul A Scheet,1 Manal M Hassan1 1Department of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; 2Department of Epidemiology, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX, USA; 3Department of Biostatistics and Data Science, School of Public Health, The University of Texas Health Science Center at Houston, Houston, TX, USA; 4Department of Management, Policy & Community Health, School of Public Health, The University of Health Science Center at Houston, Houston, TX, USA; 5Department of Gastroenterology and Hepatology, Baylor College of Medicine, Houston, TX, USA; 6Institute for Clinical and Translational Research, Baylor College of Medicine, Houston, TX, USA; 7Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; 8Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; 9Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USACorrespondence: Manal M Hassan, Department of Epidemiology, Unit 735, The University of Texas MD Anderson Cancer Center, 6900 Fannin Street, Houston, TX, 77030, USA, Tel +1-713-794-5452, Email mhassan@mdanderson.org Lu-Yu Hwang, Department of Epidemiology, School of Public Health, The University of Texas Health Science Center at Houston, 1200 Pressler Street, RAS E717, Houston, TX, 77030, USA, Tel +1-713-500-9384, Email lu-yu.hwang@uth.tmc.eduIntroduction: Hepatocellular carcinoma (HCC) disproportionately affects Hispanic persons with higher age-specific incidence and increased mortality rates compared to non-Hispanic Whites. …”
Get full text
Article -
3987
-
3988
On the existence of positive solutions for periodic parabolic sublinear problems
Published 2003-01-01“…We give necessary and sufficient conditions for the existence of positive solutions for sublinear Dirichlet periodic parabolic problems Lu=g(x,t,u) in Ω×ℝ (where Ω⊂ℝN is a smooth bounded domain) for a wide class of Carathéodory functions g:Ω×ℝ×[0,∞)→ℝ satisfying some integrability and positivity conditions.…”
Get full text
Article -
3989
Generalized Perron complements in diagonally dominant matrices
Published 2024-11-01“…The concept of the generalized Perron complement concerning a nonnegative irreducible matrix was proposed by L. Z. Lu in 2002, and it was used to construct an algorithm for estimating the boundary of the spectral radius. …”
Get full text
Article -
3990
-
3991
Antisynchronization of Nonidentical Fractional-Order Chaotic Systems Using Active Control
Published 2011-01-01“…Active control method is used first time in the literature to achieve antisynchronization between fractional-order Lorenz and Financial systems, Financial and Chen systems, and Lü and Financial systems. The stability analysis is carried out using classical results. …”
Get full text
Article -
3992
Ultrasound-Assisted Extraction Followed by Inductively Coupled Plasma Mass Spectrometry and Multivariate Profiling of Rare Earth Elements in Coffee
Published 2025-01-01“…A rapid and efficient ultrasound-assisted extraction (UAE) procedure followed by inductively coupled plasma mass spectrometry (ICP-MS) was developed for the determination of 14 rare earth elements (REEs) (La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu), along with yttrium (Y) and scandium (Sc), in coffee samples. …”
Get full text
Article -
3993
-
3994
ANÁLISIS DE LAS RELACIONES COMERCIALES ENTRE IBEROAMÉRICA Y EL CARIBE Y LA UNIÓN EUROPEA (1992-2003)
Published 2006-01-01“…En este tra ba jo pre sen ta mos una va lo ra ción em pí ri ca de la evo lu ción de las re la cio nes co mer cia les en tre Ibe ro amé ri ca y el Ca ri be y la Unión Eu ro pea en tre 199 2 y 200 3, de acue r do con los da tos dis po ni bles re cien tes, cen trán donos en su vo lu men, la con cen tra ción por paí ses y áreas y las fa ses por las que ha atra ve sa do, en el mar co de los prin ci pa les acuer dos in tra rre gio na les y la cre cien te li be ra ción de sus eco no mías. …”
Get full text
Article -
3995
A New Pyrrolidone Alkaloid and Other Constituents from Rourea oligophlebia Stems
Published 2021-01-01“…Compound 11 exhibited good antimicrobial activity on Gram (+) strains and moderate cytotoxicity against KB, Hep-G2, and LU cancer cell lines. Compounds 6 and 8–10 showed selective activity on HepG-2 and MCF-7 over KB and LU cancer cell lines, while compound 7 exhibited similar effects on KB, HepG-2, and MCF-7 cell lines with IC50 values of 36.46 ± 0.81, 32.00 ± 0.58, and 32.03 ± 0.61 µg/mL, respectively.…”
Get full text
Article -
3996
PSMA PET/CT Identifies Intrapatient Variation in Salivary Gland Toxicity From Iodine-131 Therapy
Published 2020-07-01“…Methods: Five patients with differentiated thyroid cancer underwent [ 68 Ga]Ga-PSMA-11 PET/CT to evaluate their eligibility for peptide radioligand therapy with [ 177 Lu]Lu-PSMA-617. Uptake patterns in salivary glands were evaluated visually and quantitatively as an indicator of vital acinar cell loss after prior 131 I-therapy. …”
Get full text
Article -
3997
Les élections présidentielles de 2007 à Timor Leste
Published 2007-07-01“…At the end of the second round, opposing Lu-Olo, Fretilin's candidate to José Ramos Horta, former Prime minister, co-Nobel Peace Laureate in 1996, this last has been elected with 69% of the votes. …”
Get full text
Article -
3998
Integrability of derivations of classical solutions of Dirichlet's problem for an elliptic equation
Published 1984-01-01“…The present work is concerned with integrability properties of derivatives of classical solutions of Dirichlet's problem for a linear second-order elliptic equation Lu=f. With the aid of special weighted Hilbert spaces of locally square integrable functions, we determine the nature of singularities that f can have near the boundary, in order that such classical solutions are in the Sobolev space W1. …”
Get full text
Article -
3999
The Solution by Iteration of a Composed K-Positive Definite Operator Equation in a Banach Space
Published 2010-01-01“…The equation 𝐿𝑢=𝑓, where 𝐿=𝐴+𝐵, with 𝐴 being a K-positive definite operator and 𝐵 being a linear operator, is solved in a Banach space. …”
Get full text
Article -
4000