Academic Articles & Research Papers

Extremes of Product of Gaussian Random Variables

We investigate the asymptotic behavior of the product of Gaussian random variables, with a focus on tail probabilities. Although sums of normal variables are well understood through classical limit theorems, their products exhibit significa...

Numerical Simulation of Cooling Plate Using K-Epsilon Turbulence Model to Cool Down Large-Sized Graphite/LiFePO₄ Battery at High C-Rates

In this paper, an analogous study of the velocity and temperature profiles inside microchannel cooling plates (with hydraulic diameter of 6 mm), placed on a large pouch-type LiFePO4 battery, is presented using both the laboratory and simula...

Variations of Near Surface Energy Balance Caused by Land Cover Changes in the Semiarid Grassland Area of China

This study applies the Dynamics of Land System (DLS) model to simulating the land cover under the designed scenarios and then analyzes the effects of land cover conversion on energy flux in the semiarid grassland area of China with the Weat...

BUSINESS MODEL CANVAS (BMC) APPROACH FOR TOURISM MANAGEMENT STRATEGY OF THE TOP SELFIE KRAGILAN, MT. MERBABU NATIONAL PARK

The tourist spot of the Top Selfie Kragilan, Mt. Merbabu National Park, a conservation area in Indonesia has not been managed with a business strategy despite the community initiatives increase to utilize the surrounding tourist spots for t...

راهبرد توسعه گردشگری پایدار برای چشم‌انداز بیابان سرد: مطالعه موردی روستای کوهستانی، ناکو

پیشینه: ارزیابی ظرفیت ، جزء مهمی در حفظ پایداری در بخش گردشگری است. تمام نگرانی‌ها در گردشگری به تعداد گردشگرانی که از یک مکان خاص بازدید می‌کنند، مرتبط است. منطقه مورد مطالعه دارای مناظر زیبا در اکوسیستم بیابان سرد و همچنین ویژگی‌های متمای...

Decreasing entropy of dynamical black holes in critical gravity

Abstract Critical gravity is a quadratic curvature gravity in four dimensions which is ghost-free around the AdS background. Constructing a Vaidya-type exact solution, we show that the area of a black hole defined by a future outer trapping...

Ergosphere and shadow of a rotating regular black hole

The spacetime singularities in classical general relativity predicted by the celebrated singularity theorems are formed at the end of gravitational collapse. Quantum gravity is the expected theory to resolve the singularity problem but we a...

A string dual for partially topological Chern-Simons-matter theories

Abstract We consider a string dual of a partially topological U(N) Chern-Simons-matter (PTCSM) theory recently introduced by Aganagic, Costello, McNamara and Vafa. In this theory, fundamental matter fields are coupled to the Chern-Simons th...

Baryogenesis and first-order QCD transition with gravitational waves from a large lepton asymmetry

Abstract A large primordial lepton asymmetry can lead to successful baryogenesis by preventing the restoration of electroweak symmetry at high temperatures, thereby suppressing the sphaleron rate. This asymmetry can also lead to a first-ord...

Transfer of Risk in Supply Chain Management with Joint Pricing and Inventory Decision Considering Shortages

This study is the first to consider a distribution-free approach in a newsvendor model with a transfer of risk and back-ordering. Previously, in many articles, discrete demand is considered. In this model, we consider a newsvendor selling a...

Variation in Anthyllis vulneraria L. populations in adjacent regions across acidic and basic soils in Val Piora

Populations of Anthyllis vulneraria ssp. vulneraria and A. vulneraria ssp. vallesiaca are found in close vicinity in Val Piora, where the geological situation changes abruptly between basic and acidic substrates. At three sites with populat...

Modulation Instability and Abundant Exact Solitons to the Fractional Mathematical Physics Model Through Two Distinct Methods

The paper consists of various types of wave solutions for the truncated M-fractional Bateman–Burgers equation, a significant mathematical physics equation. This model describes the nonlinear waves and solitons in different physical fields s...

Overcoming the sensitivity–speed trade-off in two-dimensional photodetectors via a functional oxide interlayer

Abstract Photodetectors that can achieve both high sensitivity and fast speed remain a challenge due to inherent trade-offs, particularly limiting in photonic integrated circuits. While substantial progress has been made in broadening spect...

Impact of using virtual and concrete manipulatives on students’ learning of fractions

Fraction is considered one of the main topics in mathematics in the early years. Many students struggle to progress in fractions in the classrooms and on exams. Teaching strategies are among the most important factors affecting student lear...

Mathematics for Nuclear Engineering

Mathematics for Nuclear Engineering

Nuclear Engineering for an Uncertain Future

"Nuclear Engineering for an Uncertain Future." Nuclear Technology - Fusion, 3(2), pp. 201–202 Additional informationNotes on contributorsLee M. HivelyLee M. Hively (BS, engineering science and mathematics, Pennsylvania State University, 197...

A case study on morphological aspects of distinct magnetized 3D hybrid nanoparticles on fluid flow between two orthogonal rotating disks: An application of thermal energy systems

The consolidation power of different nanomaterials such as metallic nanoparticles and metallic-oxides nanoparticles in a new-fangled and energetic hybrid material should give rise to fascinating properties that combine the advantages of eac...

Advancements in Ni‐based Catalysts for Direct Urea Fuel Cells: A Comprehensive Review

Abstract The growing demand for sustainable energy sources has spurred significant studies to optimize the potency of fuel cell technology. Direct urea fuel cell (DUFC) has gained attention due to their energy density, eco‐friendliness, and...

Multipoint boundary value problems for higher-order Hadamard fractional neutral differential equations and inclusions

Abstract In this paper, we consider fractional neutral differential equations with multipoint boundary value conditions involving Hadamard derivatives and integrals. We obtain the existence and uniqueness of the solution of the equation by ...