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Öğe Search for non-resonant Higgs boson pair production in final states with leptons, taus, and photons in pp collisions at √s = 13 TeV with the ATLAS detector(Springer science and business media deutschland GmbH, 2024) Aad, G.; Abbott, B.; Beddall, Andrew John; Çetin, Serkant Ali; Çelebi, Emre; Şimşek, Sinem; Uysal, ZekeriyaA search is presented for non-resonant Higgs boson pair production, targeting the bbZZ, 4V (V = W or Z), VVττ, 4τ, γγVV and γγττ decay channels. Events are categorised based on the multiplicity of light charged leptons (electrons or muons), hadronically decaying tau leptons, and photons. The search is based on a data sample of proton-proton collisions at s = 13 TeV recorded with the ATLAS detector during Run 2 of the Large Hadron Collider, corresponding to an integrated luminosity of 140 fb−1. No evidence of the signal is found and the observed (expected) upper limit on the cross-section for non-resonant Higgs boson pair production is determined to be 17 (11) times the Standard Model predicted cross-section at 95% confidence level under the background-only hypothesis. The observed (expected) constraints on the HHH coupling modifier, κλ, are determined to be −6.2 < κλ< 11.6 (−4.5 < κλ< 9.6) at 95% confidence level, assuming the Standard Model for the expected limits and that new physics would only affect κλ.Öğe Investigation of Cable Line Heat Mode Parameters in Power Supply Systems(Institute of Electrical and Electronics Engineers Inc., 2024) Valtchev, Stanimir; Miceli, Rosario; Gracheva, Elena Ivanovna; Petrov, Almaz Radikovich; Tsitson, Ivan Ivanovich; Çolak, İlhamiThe paper develops regression models of dependences of the estimated service life of cable line insulation on the load factor in various operating conditions. The study of thermal modes using approximation functions of the obtained results is carried out. The temperature parameters of the cable line with different types of insulation have been obtained. The results can be used to clarify the temperature modes of cable lines when selecting their cross-sections at the stage of design of electrical engineering systems. © 2024 IEEE.Öğe Laparoscopic Totally Extraperitoneal Inguinal Hernia Repair under Combined Spinal Epidural Anesthesia Versus General Anesthesia(Lippincott Williams and Wilkins, 2024) Dönmez, Turgut; Tülübaş, Evrim Kucur; Bostancı, İpekBackground: Inguinal hernia repair is one of the most frequently used elective surgical operations in the world. General anesthesia (GA) has risks and routine postoperative complications, such as nausea, vomiting, throat irritation, and postoperative pain. Regional anesthesia (RA) has many advantages over GA, such as faster recovery, less postoperative pain, nausea, and vomiting, and less hemodynamic compromise. We aimed to investigate the efficacy and safety of combined spinal and epidural anesthesia (CSEA) in preventing shoulder pain in patients undergoing totally extraperitoneal herniorrhaphy (TEP). Materials and Methods: The files of patients who had undergone the TEP method under GA and CSEA due to inguinal hernia between April 2020 and November 2021 at the Bakirköy Dr. Sadi Konuk Training and Research Hospital were reviewed retrospectively. Results: A total of 81 patients were included in the study. The number of patients operated on GA (group 1) was 40, and the number of patients operated under CSEA (group 2) was 41. There was no significant difference in the demographic characteristics of the patients. The surgical time was 42.9 and 42.5 minutes in groups 1 and 2, respectively (P=0.970). The mean operative time was recorded as 60.1 and 80.2 minutes in groups 1 and 2, respectively, and it was statistically significantly shorter in group 1 (P<0.001). A peritoneal tear was seen in 18 patients (43.90%) in the GA group and 16 patients (40%) in the CSEA group, but no significant difference was found between the groups (P=0.823). Mild shoulder pain that did not require intervention was observed in 1 patient (2.5%) in the CSEA group. In group 2, the VAS scores at all times and the need for postoperative analgesia were statistically significantly lower (P<0.001). In terms of anesthesia complications, headache was not observed in group 1, while it was seen in 6 (15%) patients in group 2 (P=0.012) Conclusions: In laparoscopic TEP surgeries, CSEA may be an alternative anesthesia method to GA anesthesia due to the low VAS score, less need for analgesia, and fewer postoperative pulmonary complications. © 2024 Wolters Kluwer Health, Inc. All rights reserved.Öğe Terahertz-Band Integrated Sensing and Communications: Challenges and Opportunities(Institute of Electrical and Electronics Engineers Inc., 2024) Elbir, Ahmet Mete; Mishra, Kumar Vijay; Chatzinotas, Symeon; Bennis, MehdiThe sixth generation (6G) wireless networks aim to achieve ultra-high data transmission rates, very low latency, and enhanced energy-efficiency. To this end, terahertz (THz) band is one of the key enablers of 6G to meet such requirements. The THz-band systems are also quickly emerging as high-resolution sensing devices because of their ultra-wide bandwidth and very narrow beamwidth. As a means to efficiently utilize spectrum and thereby save cost and power, THz integrated sensing and communications (ISAC) paradigm envisages a single integrated hardware platform with a common signaling mechanism. However, ISAC at THz-band entails several design challenges, such as beam split, range-dependent bandwidth, near-field beamforming, and distinct channel model. This article examines the technologies that have the potential to bring forth ISAC and THz transmission together. In particular, it provides an overview of antenna and array design, hybrid beamforming, integration with reflecting surfaces, and data-driven techniques, such as machine learning. These systems also provide research opportunities in developing novel methodologies for channel estimation, near-field beam split, waveform design, and beam misalignment. © 1986-2012 IEEE.Öğe Learning theory(Elsevier, 2024) Pour Haji Kazem, Ali AsgharThis chapter addresses fundamental aspects of learning theory, its ethical implications in model development and deployment, its integration with decision-making processes, and future directions. The introduction highlights learning theory's role in bridging data and informed choices, while ethical considerations underscore the need to address bias, transparency, and societal impact. The interplay between learning theory and decision-making is explored, enabling systems to navigate uncertainty. Looking ahead, the evolution of learning theory is expected to encompass explainable AI, neuroscience influences, ethical considerations, and integration with emerging technologies, promising transformative advancements across various domains. © 2024 Elsevier Inc. All rights reserved.Öğe Laparoscopic Versus Conventional Open Congenital Duodenal Obstruction Repair: A Systematic Review and Meta-analysis(W.B. Saunders, 2025) Azizoğlu, Mustafa; Kamçı, Tahsin Onat; Klyuev, Sergey; Escolino, Maria; Karakaş, Esra; Gigena, Cecilia; Yüksel, Seçil; Bakır, Ayten Ceren; Okur, Mehmet Hanifi; Shehata, SamehBackground: We conducted a systematic review and meta-analysis to evaluate the safety and effectiveness of laparoscopic surgery (LS) compared to open surgery (OS) for congenital duodenal obstruction (CDO). Methods: We conducted a literature review to find studies comparing LS and OS in neonates with CDO. A meta-analysis was conducted to systematically compile and compare factors, including surgical duration, time of feeding initiation, hospital length of stay (LOS), and postoperative complications. Results: Eleven studies with 1615 patients (LS: 338, OS: 1277) met inclusion criteria. Operative time was observed to be much shorter in the OS group (I2 = 97%); weighted mean difference (WMD) 60.29; 95% confidence interval (CI): 30.29 to 90.28; p < 0.0001). The LS group had a significantly shorter time to initiate feeding (I2 = 0%; WMD -3.38, 95% CI: −4.35 to −2.41; p < 0.00001), shorter time to full feeding (I2 = 0%; WMD -3.64, 95% CI: −5.06 to −2.22; p < 0.00001), and shorter LOS (I2 = 52%; WMD -3.42, 95% CI: −5.75 to −1.08; p = 0.004). There were no significantly differences in the rates of anastomotic leak (I2 = 24%; OR 0.76, 95% CI: 0.12 to 4.67; p = 0.76), anastomotic stricture (I2 = 0%; OR 1.12, 95% CI: 0.39 to 3.20; p = 0.83), postoperative ileus (I2 = 0%; OR 0.60, 95% CI: 0.21 to 1.74; p = 0.34), and overall complications between the groups (I2 = 59%; OR 0.86, 95% CI: 0.42 to 1.74; p = 0.68). The LS group, however, had a significantly decreased frequency of wound infection (I2 = 0%; OR 0.26, 95% CI: 0.08 to 0.82; p = 0.02). Conclusion: Despite certain limitations in our analysis, the laparoscopic approach was associated with comparable postoperative outcomes. Levels of Evidence: 2a. Type of the Study: Meta analysis. © 2024 Elsevier Inc.Öğe Managing the Energy flow of a Self-Sustaining Multisource System through intelligent Management Techniques utilizing Artificial Intelligence(Institute of Electrical and Electronics Engineers Inc., 2024) Serir, Chafiaa; Rekioua, Djamila; Bensmail, Samia; Belkaid, Abdelhakim; Çolak, İlhami; Belhoul, Talit; Mokrani, ZahraThis paper proposes an efficient strategy for energy control in the isolated micro grid, comprising photovoltaic and wind power systems with battery storage systems. This strategy presents smart energy management (SEM) based on artificial intelligence techniques (AIT) such as the fuzzy logic controller (FLC). The SEM is designed to manage energy flows throughout the isolated micro grid, by extracting the maximum available energy during deviating constraints such as temperature, solar irradiance and wind speed, while maintaining energy quality and autonomy to meet charging requirements and ensure precise control of the battery's state of charge (SOC) over five states (Very High: SOCV.H, High: SOCH, Medium: SOCM, Low SOCL and Very Low SOCV.L) during charge and discharge. This is a significant improvement over traditional management systems that rely on two SOC states, namely SOCmin and SOCmax. Response behaviors are described and visualized in MATLAB Simulink. © 2024 IEEE.Öğe Search for the leptonic decays D∗+ →e+νe and D∗+ →μ+νμ(American physical society, 2024) Ablikim, M.; Achasov, M.N.; Adlarson, P.; Çetin, Serkant Ali; Kolcu, Onur BuğraWe present the first search for the leptonic decays D∗+→e+νe and D∗+→μ+νμ by analyzing a data sample of electron-positron collisions recorded with the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, corresponding to an integrated luminosity of 6.32 fb-1. No significant signal is observed. The upper limits on the branching fractions for D∗+→e+νe and D∗+→μ+νμ are set to be 1.1×10-5 and 4.3×10-6 at 90% confidence level, respectively. © 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.Öğe Search for singly produced vectorlike top partners in multilepton final states with Formula Presented of Formula Presented collision data at Formula Presented with the ATLAS detector(American physical society, 2024) Aad, G.; Abbott, B.; Abeling, K.; Beddall, Andrew John; Çetin, Serkant Ali; Öztürk, Sertaç; Şimşek, SinemA search for the single production of a vectorlike top partner (Formula Presented) with mass greater than 1 TeV decaying into a Formula Presented boson and a top quark is presented, using the full Run 2 dataset corresponding to Formula Presented of Formula Presented collisions at Formula Presented, collected in 2015-2018 with the ATLAS detector at the Large Hadron Collider. The targeted final state is characterized by the presence of a pair of electrons or muons with opposite-sign charges which form a Formula Presented-boson candidate, as well as by the presence of Formula Presented-tagged jets and forward jets. Events with exactly two or at least three leptons are categorized into two independently optimized analysis channels. No significant excess above the background expectation is observed and the results from the two channels are statistically combined to set exclusion limits at 95% confidence level on the masses and couplings of Formula Presented. The results are interpreted in several benchmark scenarios to set limits on the mass and universal coupling strength (Formula Presented) of the vectorlike quark. For singlet Formula Presented quarks, Formula Presented values between 0.22 and 0.64 are excluded for masses between 1000 and 1975 GeV. For Formula Presented quarks in the doublet scenario, where the production cross section is much lower, Formula Presented values between 0.54 and 0.88 are excluded for masses between 1000 and 1425 GeV.Öğe Effective test-data generation using the modified black widow optimization algorithm(Springer, 2024) Arasteh, Bahman; Ghaffari, Ali; Khadir, Milad; Torkamanian-Afshar, Mahsa; Pirahesh, SajadSoftware testing is one of the software development activities and is used to identify and remove software bugs. Most small-sized projects may be manually tested to find and fix any bugs. In large and real-world software products, manual testing is thought to be a time and money-consuming process. Finding a minimal subset of input data in the shortest amount of time (as test data) to obtain the maximal branch coverage is an NP-complete problem in the field. Different heuristic-based methods have been used to generate test data. In this paper, for addressing and solving the test data generation problem, the black widow optimization algorithm has been used. The branch coverage criterion was used as the fitness function to optimize the generated data. The obtained experimental results on the standard benchmarks show that the proposed method generates more effective test data than the simulated annealing, genetic algorithm, ant colony optimization, particle swarm optimization, and artificial bee colony algorithms. According to the results, with 99.98% average coverage, 99.96% success rate, and 9.36 required iteration, the method was able to outperform the other methods.Öğe Search for short- and long-lived axion-like particles in H→aa→4γ decays with the ATLAS experiment at the LHC(Springer nature, 2024) Aad, G.; Abbott, B.; Abeling, K.; Beddall, Andrew John; Çetin, Serkant Ali; Öztürk, Sertaç; Şimşek, SinemPresented is the search for anomalous Higgs boson decays into two axion-like particles (ALPs) using the full Run 2 data set of 140fb-1 of proton-proton collisions at a centre-of-mass energy of 13TeV recorded by the ATLAS experiment. The ALPs are assumed to decay into two photons, providing sensitivity to recently proposed models that could explain the (g-2)μ discrepancy. This analysis covers an ALP mass range from 100 to 62GeV and ALP-photon couplings in the range 10-7TeV-1Öğe Search for pair-production of vector-like quarks in lepton+jets final states containing at least one b-tagged jet using the Run 2 data from the ATLAS experiment(Elsevier, 2024) Aad, G.; Abbott, B.; Beddall, Andrew John; Çetin, Serkant Ali; Öztürk, Sertaç; Şimşek, Sinem; Uysal, ZekeriyaA search is presented for the pair-production of heavy vector-like quarks in the lepton+jets final state using 140 fb−1 of proton–proton collisions at s=13 TeV collected with the ATLAS detector. The search is optimised for vector-like top-quarks (T) that decay into a W boson and a b-quark, with one W boson decaying leptonically and the other hadronically. Other vector-like quark flavours and decay modes are also considered. Events are selected with one high transverse-momentum electron or muon, large missing transverse momentum, a large-radius jet identified as a W boson, and multiple small-radius jets, at least one of which is b-tagged. Vector-like T-quarks with 100% branching ratio to Wb are excluded at 95% CL for masses below 1700 GeV. These limits are also applied to vector-like Y-quarks, which decay exclusively into a W boson and a b-quark. Isospin singlets with B(T→Wb:Ht:Zt)=1/2:1/4:1/4 are excluded for masses below 1360 GeV.Öğe Investigating the association between nutrient intake and food insecurity among children and adolescents in palestine using machine learning techniques(MDPI, 2024) Qasrawi, Radwan; Sgahir, Sabri; Nemer, Maysaa; Halaikah, Mousa; Badrasawi, Manal; Amro, Malak; Vicuna Polo, Stephanny; Abu Al-Halawa, Diala; Mujahed, Doa’a; Nasreddine, Lara; Elmadfa, Ibrahim; Atari, SihamFood insecurity is a public health concern that affects children worldwide, yet it represents a particular burden for low- and middle-income countries. This study aims to utilize machine learning to identify the associations between food insecurity and nutrient intake among children aged 5 to 18 years. The study's sample encompassed 1040 participants selected from a 2022 food insecurity household conducted in the West Bank, Palestine. The results indicated that food insecurity was significantly associated with dietary nutrient intake and sociodemographic factors, such as age, gender, income, and location. Indeed, 18.2% of the children were found to be food-insecure. A significant correlation was evidenced between inadequate consumption of various nutrients below the recommended dietary allowance and food insecurity. Specifically, insufficient protein, vitamin C, fiber, vitamin B12, vitamin B5, vitamin A, vitamin B1, manganese, and copper intake were found to have the highest rates of food insecurity. In addition, children residing in refugee camps experienced significantly higher rates of food insecurity. The findings emphasize the multilayered nature of food insecurity and its impact on children, emphasizing the need for personalized interventions addressing nutrient deficiencies and socioeconomic factors to improve children's health and well-being.Öğe Intake of probiotics as an option for reducing oral and prosthetic microbiota: A clinical study(Elsevier Inc., 2024) Evirgen, Şehrazat; Kahraman, Emine Nur; Korcan, Safiye Elif; Yıldırım, Bengisu; Şimşek, Aysıla Tekeli; Aydın, BüşraStatement of problem: The accumulation of microorganisms on complete dentures has adverse effects on general health. Precautions should be taken to prevent colonization by these harmful pathogens, but whether an intake of probiotics effectively reduces microbiota is unclear. Purpose: The purpose of this clinical study was to examine the effectiveness of probiotics against the microbial colonization of dentures and the oral regions. Material and methods: Sixty-one edentulous participants with dentures were recruited, and samples were collected from the palate, cheek, tongue, and denture surface using sterile erasers before and after applying probiotics containing Lactobacillus acidophilus, Lactobacillus rhamnosus, Lactobacillus casei, and Bifidobacterium bifidum. The count of bacterial species in the original culture was calculated by multiplying the number of colonies by the dilution factor of cells per mL [log10 (CFU/mL)] for different media. Spread plating was used to colonize in vitro. A Wilcoxon test was used to compare the groups according to time reveal. Kruskal–Wallis and Mann–Whitney U tests were performed to compare the values in the various regions studied (α=.05). Results: A statistical difference in microbial count was found before and after probiotic intake (P<.05). For each medium, the microbial count values were statistically lower on the tongue, palate, dentures, and cheek after probiotic intake (P<.05), except for in malt medium on dentures (P>.05). Conclusions: Probiotics reduced the microbial count in the oral region and showed promising results for oral health and denture hygiene. Since the oral microbiota has among the highest levels of species diversity in the human body, further studies are needed. © 2024 Editorial Council for The Journal of Prosthetic DentistryÖğe DDoS attack detection techniques in IoT networks: a survey(Springer, 2024) Pakmehr, Amir; Aßmuth, Andreas; Taheri, Negar; Ghaffari, AliThe Internet of Things (IoT) is a rapidly emerging technology that has become more valuable and vital in our daily lives. This technology enables connection and communication between objects and devices and allows these objects to exchange information and perform intelligent operations with each other. However, due to the scale of the network, the heterogeneity of the network, the insecurity of many of these devices, and privacy protection, it faces several challenges. In the last decade, distributed DDoS attacks in IoT networks have become one of the growing challenges that require serious attention and investigation. DDoS attacks take advantage of the limited resources available on IoT devices, which disrupts the functionality of IoT-connected applications and services. This article comprehensively examines the effects of DDoS attacks in the context of the IoT, which cause significant harm to existing systems. Also, this paper investigates several solutions to identify and deal with this type of attack. Finally, this study suggests a broad line of research in the field of IoT security, dedicated to examining how to adapt to current challenges and predicting future trends. © The Author(s) 2024.Öğe Investigation and simulation of a solar water pumping system with a speed-controlled DC motor(Institute of Electrical and Electronics Engineers Inc., 2024) Benabida, Farid; Aissa, Oualid; Talhaoui, Hicham; Babes, Badreddine; Çolak, İlhamiAn investigation on a photovoltaic (PV) water pumping system (PVWPS) based on a DC motor, under an imposed rotation speed and changeable weather conditions, has been done in this research work. Thus, to extract the maximum power point of the studied system, the Perturb and Observe (P&O) algorithm and Incremental Conductance (IC) strategy are applied. The investigation is conducted on a centrifugal pump driven by a DC motor with speed control by using the MATLAB/Simulink software. The simulation results from the designed PVWPS demonstrate that the IC strategy outperforms the P&O algorithm in convergence speed, while the P&O offers superior steady-state oscillation performance under high irradiation levels. © 2024 IEEE.Öğe Long-term mortality risk in obstructive sleep apnea: the critical role of oxygen desaturation index(Springer Science and Business Media Deutschland GmbH, 2024) Azaklı, Damla; Satıcı, Celal; Sokucu, Sinem Nedime; Aydın, Şenay; Atasever, Furkan; Özdemir, CengizBackground: Mortality predictors in obstructive sleep apnea (OSA) patients yet to be comprehensively understood, especially within large cohorts undergoing long-term follow-up. We aimed to determine the independent predictors of mortality in OSA patients. Methods: In our retrospective cohort study, 3,541 patients were included and survival data was obtained from electronic medical records. Demographic characteristics, anthropometric measurements, comorbidities, laboratory tests, and polysomnography parameters were analyzed for the survived and deceased patient groups. Univariate and multivariate Cox regression analyses were performed to determine independent predictors of all-cause mortality in patients followed for at least 5 years. Results: Among all patients, 2,551 (72%) patients were male, with a mean age of 49.7 years. 231 (6.5%) patients had died. Deceased patients were significantly older and had higher waist-to-hip ratio and Epworth Sleepiness Scale (p < 0.001, p < 0.001, p = 0.003). OSA (nonpositional and not-rapid eye movement-related), periodic limb movements in sleep and Comorbidities of Sleep Apnea Score ≥ 1 were found to be associated with increased mortality (p < 0.001). Systemic immune-inflammation index was also significantly higher in the deceased group (p < 0.001). Higher oxygen desaturation index (ODI) and apnea-hypopnea index (AHI) were associated with increased mortality (p < 0.001). Due to the high correlation between ODI and AHI, two separate multivariate Cox regression models were created. While AHI lost its significance in the multivariate analysis, ODI remained significantly higher in the deceased patient group (HR = 1.007, 1.001–1.013, p = 0.01). Conclusion: ODI, as the only polysomnography parameter, emerged as an independent predictor of mortality in OSA patients. © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2024.Öğe Managing recurrent parvovirus B19-associated anemia after a pediatric kidney transplant(Springer, 2024) Sabancı, Mehmet; Taşdemir, Mehmet; Öksüz, Burcu; Torun, Yasemin Altuner; Sütçü, Murat; Özkaya, OzanA 13-year-old girl who had a kidney transplant four weeks prior presented with a 10-day history of fatigue, paleness, and headache. On physical examination, tachycardia and paleness were noted. Laboratory testing was notable for severe anemia and mild leukopenia and thrombocytopenia. Polymerase chain reaction (PCR) test for Epstein-Barr virus (EBV) and cytomegalovirus (CMV) were negative and for parvovirus B19 (PVB19) was positive. Despite lower immunosuppression and administration of intravenous immunoglobulin (IVIG) it persisted for 15 months, and frequent red blood cell transfusions were needed. PVB19 is a less common but significant complication. The patient's clinical course demonstrates the importance of this complication and the challenges in its management. A notable void exists in the literature regarding standardized treatment protocols for PVB19-induced recurrent anemia after kidney transplant. This case indicates the need for further research and consensus to guide effective clinical interventions in similar cases.Öğe Integrating machine learning models to learn potentially non-monotonic preferences for multi-criteria sorting from large-scale assignment examples(Elsevier Ltd., 2025) Li, Zhuolin; Zhang, Zhen; Pedrycz, WitoldLearning preferences from assignment examples has attracted considerable attention in the field of multi-criteria sorting (MCS). However, traditional MCS methods, designed to infer decision makers’ preferences from small-scale assignment examples, encounter limitations when confronted with large-scale data sets. Additionally, the presence of decision makers’ non-monotonic preferences for certain criteria in MCS problems necessitates accounting for potential non-monotonicity when devising preference learning methods. To address this, this paper proposes some new models to learn potentially non-monotonic preferences for MCS problems from large-scale assignment examples by leveraging machine learning models. Specifically, we first introduce the Piecewise-Linear Neural Network (PLNN) model, which leverages the threshold-based value-driven sorting procedure as the underlying sorting model and integrates a perceptron-based model to establish piecewise-linear marginal value functions to approximate real ones. On this basis, we address MCS problems with criteria interactions and extend the PLNN model to develop the Piecewise-Linear Factorization Machine-based Neural Network (PLFMNN) model by incorporating the factorization machine to factorize interaction coefficients. Training these models allows us to learn potentially non-monotonic preferences of decision makers. To illustrate the proposed models, we apply them to a red wine quality classification problem. Furthermore, we assess the performance of the proposed models through computational experiments on both artificial and real-world data sets. Additionally, we conduct statistical tests to ascertain the significance of the performance differences. Experimental results reveal that the proposed models are comparable to the multilayer perceptron model and outperform other baseline models on most data sets, thus affirming their efficacy. Finally, we conduct some sensitivity analysis to assess the impact of certain parameters on the performance of the proposed models and compare them with existing studies from a theoretical perspective, further demonstrating their effectiveness. © 2024 Elsevier LtdÖğe Interior Schauder-type estimates for m - th order elliptic operators in rearrangement-invariant Sobolev spaces(Tubitak scientific & technological research council Turkey, 2024) Mamedov, Eminağa M.; Çetin, ŞeymaIn this study, we investigate the m-th order elliptic operators on n-dimensional bounded domain ohm subset of R n with discontinuous coefficients in the rearrangement-invariant Sobolev space W X m (ohm). In general, the considered rearrangement-invariant spaces are not separable, so the use of classical methods in these spaces requires substantial modification of classical methods and a lot of preparation, concerning correctness of substitution operator, problems related to the extension operator in such spaces, etc. For this purpose, the corresponding separable subspaces of these spaces, in which the set of compact supported infinitely differentiable functions is dense, are introduced based on the shift operator. We establish interior Schauder-type estimates in the above subspaces. Note that Lebesgue spaces L p (ohm), grand-Lebesgue spaces, Marcinkiewicz spaces, weak-type L w p spaces, etc. are also covered by such spaces.
