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  • آزمایشگاه تحلیل مکانی و داده‌پردازی

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Assessment of water security in the large watersheds of Iran

MA Zakeri, SK Mirnia, H Moradi
Journal Papers , , {Pages }

Abstract

Altered lipid metabolism and serum lipids in chronic kidney disease

ND Vaziri, H Moradi, YY Zhao
Journal Papers , , {Pages }

Abstract

Ando-Hiai and Golden-Thompson inequalities

M Sababheh, HR Moradi
Journal Papers , , {Pages }

Abstract

New Estimates on Numerical Radius and Operator Norm of Hilbert Space Operators

Mahmoud HASSANI, Mohsen Erfanian OMIDVAR, Hamid Reza MORADI
Journal PapersTokyo Journal of Mathematics , 2021 January , {Pages }

Abstract

Let B (Ж) denote the C∗-algebra of all bounded linear operators on a complex Hilbert space Ж with inner product〈?,?〉. A self-adjoint operator A is said to be positive (written A≥ 0) if〈 Ax, x〉≥ 0 holds for all x∈ Ж, also an operator A is said to be strictly positive (denoted by A> 0) if A is positive and invertible. If A and B are self-adjoint, we write B≥ A in case B− A≥ 0. A real valued continuous function f defined on the interval

Spatial Modeling of Flood Probability Using Geo-Environmental Variables and Machine Learning Models, Case Study: Tajan Watershed, Iran

Mohammadtaghi Avand, Hamidreza Moradi
Journal PapersAdvances in Space Research , 2021 February 20, {Pages }

Abstract

The main objective of this study was to produce flood susceptibility maps for Tajan watershed, Sari, Iran using three machine learning (ML) models including Self-Organization Map (SOM), Radial Basis Function Neural Network (RBFNN), and Multi-layers Perceptron (MLP). To reach such a goal, different physical-geographical factors (criteria) were integrated and mapped. 212 flood inventory map was randomly divided into training and testing datasets, where 148 flood locations (70%) were used for training and the remaining 64 locations (30%) were employed for testing. Model validation was performed using several statistical indices and the area under the curve (AUC). The results of the correlation matrix showed, three factors slope (0.277), distan

Weighted Inequalities For The Numerical Radius

Shiva Sheybani, Mohammed Sababheh, Hamid Reza Moradi
Journal PapersarXiv preprint arXiv:2103.04261 , 2021 March 7, {Pages }

Abstract

In this article, we obtain several new weighted bounds for the numerical radius of a Hilbert space operator. The significance of the obtained results is the way they generalize many existing results in the literature; where certain values of the weights imply some known results, or refinements of these results. In the end, we present some numerical examples that show how our results refine the well known results in the literature, related to this topic.

Matrix Fej\'{e} r and Levin-Ste\v {c} kin Inequalities

Mohammad Sababheh, Shiva Sheybani, Hamid Reza Moradi
Journal PapersarXiv preprint arXiv:2102.07335 , 2021 February 15, {Pages }

Abstract

Fe {j} ?r and Levin-Stečkin inequalities treat integrals of the product of convex functions with symmetric functions. The main goal of this article is to present possible matrix versions of these inequalities. In particular, majorization results are shown of Fej?r type for both convex and log-convex functions. For matrix Levin-Stečkin type, we present more rigorous results involving the partial Loewner ordering for Hermitian matrices.

Spatial Prediction of Future Flood Risk: An Approach to the Effects of Climate Change

Mohammadtaghi Avand, Hamid Reza Moradi, Mehdi Ramazanzadeh Lasboyee
Journal PapersGeosciences , Volume 11 , Issue 1, 2021 January , {Pages 25 }

Abstract

Preparation of a flood probability map serves as the first step in a flood management program. This research develops a probability flood map for floods resulting from climate change in the future. Two models of Flexible Discrimination Analysis (FDA) and Artificial Neural Network (ANN) were used. Two optimistic (RCP2. 6) and pessimistic (RCP8. 5) climate change scenarios were considered for mapping future rainfall. Moreover, to produce probability flood occurrence maps, 263 locations of past flood events were used as dependent variables. The number of 13 factors conditioning floods was taken as independent variables in modeling. Of the total 263 flood locations, 80%(210 locations) and 20%(53 locations) were considered model training and val

RNA Interference Targeting Liver Angiopoietin-Like Protein 3 Protects from Nephrotic Syndrome in a Rat Model Via Amelioration of Pathologic Hypertriglyceridemia

Yitong Zhao, Masaki Goto, Nosratola D Vaziri, Mahyar Khazaeli, Han Liu, Nazli Farahanchi, Elham Khanifar, Ted Farzaneh, Patrick A Haslett, Hamid Moradi, Mangala M Soundarapandian
Journal PapersJournal of Pharmacology and Experimental Therapeutics , Volume 376 , Issue 3, 2021 March 1, {Pages 428-435 }

Abstract

Nephrotic syndrome (NS) is associated with metabolic perturbances including profound dyslipidemia characterized by hypercholesterolemia and hypertriglyceridemia. A major underlying mechanism of hypertriglyceridemia in NS is lipoprotein lipase (LPL) deficiency and dysfunction. There is emerging evidence that elevated angiopoietin-like protein 3 (ANGPTL3), an LPL inhibitor that is primarily expressed and secreted by hepatocytes, may be in part responsible for these findings. Furthermore, there is evidence pointing to the contribution of ANGPTL3 to the pathogenesis of proteinuria in NS. Therefore, we hypothesized that inhibition of hepatic ANGPTL3 by RNA interference will ameliorate dyslipidemia and other symptoms of NS and pave the way for a

Matrix Fej?r and Levin-Stečkin Inequalities

Mohammad Sababheh, Shiva Sheybani, Hamid Reza Moradi
Journal PapersarXiv e-prints , 2021 February , {Pages arXiv: 2102.07335 }

Abstract

Fe {j} ?r and Levin-Stečkin inequalities treat integrals of the product of convex functions with symmetric functions. The main goal of this article is to present possible matrix versions of these inequalities. In particular, majorization results are shown of Fej?r type for both convex and log-convex functions. For matrix Levin-Stečkin type, we present more rigorous results involving the partial Loewner ordering for Hermitian matrices.

On the Operator Jensen-Mercer Inequality

HR Moradi, S Furuichi, M Sababheh
Journal PapersOperator Theory, Functional Analysis and Applications , Volume 282 , 2021 May 2, {Pages 483 }

Abstract

Mercer’s inequality for convex functions is a variant of Jensen’s inequality, with an operator version that is still valid without operator convexity. This paper is two folded. First, we present a Mercer-type inequality for operators without assuming convexity nor operator convexity. Yet, this form refines the known inequalities in the literature. Second, we present a log-convex version for operators. We then use these results to refine some inequalities related to quasi-arithmetic means of Mercer’s type for operators.

Association of lactate dehydrogenase with mortality in incident hemodialysis patients

Soh Young Ryu, Carola-Ellen Kleine, Jui-Ting Hsiung, Christina Park, Connie M Rhee, Hamid Moradi, Ramy Hanna, Kamyar Kalantar-Zadeh, Elani Streja
Journal PapersNephrology Dialysis Transplantation , Volume 36 , Issue 4, 2021 April , {Pages 704-712 }

Abstract

Background Lactate dehydrogenase (LDH) plays a role in the glucose metabolism of the human body. Higher LDH levels have been linked to mortality in various cancer types; however, the relationship between LDH and survival in incident hemodialysis (HD) patients has not yet been examined. We hypothesized that higher LDH level is associated with higher death risk in these patients. Methods We examined the association of baseline and time-varying serum LDH with all-cause, cardiovascular and infection-related mortality among 109 632 adult incident HD patients receiving care from a large dialysis organization in the USA during January 2007 to December 2011. Baseline and time-va

Impact of Circulating N-Acylethanolamine Levels with Clinical and Laboratory End Points in Hemodialysis Patients

Alex Y Pai, Cachet Wenziger, Elani Streja, Donovan A Argueta, Nicholas V DiPatrizio, Connie M Rhee, Nosratola D Vaziri, Kamyar Kalantar-Zadeh, Daniele Piomelli, Hamid Moradi
Journal PapersAmerican Journal of Nephrology , Volume 52 , Issue 1, 2021 January , {Pages 59-68 }

Abstract

Background: Patients with ESRD on maintenance hemodialysis (MHD) are particularly susceptible to dysregulation of energy metabolism, which may manifest as protein energy wasting and cachexia. In recent years, the endocannabinoid system has been shown to play an important role in energy metabolism with potential relevance in ESRD. N-acylethanolamines are a class of fatty acid amides which include the major endocannabinoid ligand, anandamide, and the endogenous peroxisome proliferator-activated receptor-α agonists, oleoylethanolamide (OEA) and palmitoylethanolamide (PEA). Methods: Serum concentrations of OEA and PEA were measured in MHD patients and their correlations with various clinical/laboratory indices were examined. Secondarily, we ev

The role of slope aspect in runoff and sediment production of Ghachsaran and Aghajari formations

Hamzah Saeediyan, Hamid Reza Moradi, Sadat Feiznia, Nader Bahramifar
Journal PapersPhysical Geography Research Quarterly , 2021 May 6, {Pages }

Abstract

The role of slope aspect in erodibility of Ghachsaran and Aghajari formationsExtended Abstract Introduction:The erodibility of watershed area is a function of several factor, one of these factors is topography. Including main topography features is slope aspect of which directly or with the effect on other environmental factors is caused changes in soil hydrological processes particularly the potential for runoff and sediment production. Soil erosion is the most important environmental factor in the world that adversely affects all-natural ecosystems as well as those under human management. Although soil erosion has existed throughout history, it has been intensified in recent years due to improper land use. Environmental factors, such as

Some Operator Inequalities via Convexity

Hamid Reza Moradi, Shigeru Furuichi, Mohammad Sababheh
Journal PapersarXiv preprint arXiv:2104.12931 , 2021 April 27, {Pages }

Abstract

In this article, we employ a standard convex argument to obtain new and refined inequalities related to the matrix mean of two accretive matrices, the numerical radius and the Tsallis relative operator entropy.

اثر متقابل جهت دامنه و شدت بارش در میزان نفوذپذیری خاک نسبت به بارش‌های اسیدی‎

H Saeediyan, H Moradi
Journal Papers , , {Pages }

Abstract

Histone deacetylase inhibitors regulate vitamin C transporter functional expression in intestinal epithelial cells

VS Subramanian, T Teafatiller, H Moradi, JS Marchant
Journal Papers , , {Pages }

Abstract

New inequalities for the spectral geometric mean

HR Moradi, S Furuichi, M Sababheh
Journal Papers , , {Pages }

Abstract

On the Operator Hermite–Hadamard Inequality

HR Moradi, M Sababheh, S Furuichi
Journal Papers , , {Pages }

Abstract

Bounds for the Jensen Gap in terms of Power Means with Applications

X You, M Adil Khan, HR Moradi
Journal Papers , , {Pages }

Abstract

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