- Lepidoptera: Biology and Taxonomy
- Entomological Studies and Ecology
- Mathematical Analysis and Transform Methods
- Plant and animal studies
- Image and Signal Denoising Methods
- Neural Networks and Applications
- Spider Taxonomy and Behavior Studies
- Digital Filter Design and Implementation
- Lattice Boltzmann Simulation Studies
- Advanced Numerical Analysis Techniques
- Inertial Sensor and Navigation
- Computational Fluid Dynamics and Aerodynamics
- Sparse and Compressive Sensing Techniques
- Blind Source Separation Techniques
- Insect Pheromone Research and Control
- Plant Ecology and Taxonomy Studies
- Biological Control of Invasive Species
- Global Socioeconomic and Political Dynamics
- Structural Health Monitoring Techniques
- Direction-of-Arrival Estimation Techniques
- Healthcare, Law, Governance, and Management Studies
- Medical Imaging Techniques and Applications
- Gaussian Processes and Bayesian Inference
- Point processes and geometric inequalities
- Intellectual Capital and Performance Analysis
Amirkabir University of Technology
2025
University of British Columbia
2020-2022
Sharif University of Technology
2006-2019
Ibn Haldun University
2019
Candid
2009
<i>Integrative Systematics: Stuttgart Contributions to Natural History</i>, which continues <i>Stuttgarter Beiträge zur Naturkunde Serie A (Biologie)</i>, is issued by the State Museum of History and publishes articles general biological interest with a focus on morphological systematics.
Abstract In this study, an arbitrary Lagrangian–Eulerian (ALE) approach is incorporated with a mixed finite‐volume–element (FVE) method to establish novel moving boundary for simulating unsteady incompressible flow on non‐stationary meshes. The collects the advantages of both finite‐volume and finite‐element (FE) methods as well ALE in unified algorithm. regard, convection terms are treated at cell faces using physical‐influence upwinding scheme, while diffusion bilinear FE shape functions....
Hyperpolarization-activated cation (HCN) channels regulate oscillatory electrical activity in the brain and heart. Voltage-gating mediated by their transmembrane (TM) region is inhibited a cytoplasmic cyclic nucleotide-binding (CNB) fold, direct cAMP binding to this fold relieves autoinhibition. We investigated HCN homomers expressed intact Xenopus oocytes explore mechanistic interactions between TM CNB regions. Results: (Part 1) Slow gating kinetics of complicates conventional assessments...
Attention layers are the core component of transformers, current state-of-the-art neural network architecture. However, \softmaxx-based attention puts transformers' trainability at risk. Even \textit{at initialisation}, propagation signals and gradients through random can be pathological, resulting in known issues such as (i) vanishing/exploding (ii) \textit{rank collapse}, i.e. when all tokens converge to a single representation \textit{with depth}. This paper examines signal...
Let $m \geq 1$ and consider the product of $m$ independent $n \times n$ Gaussian matrices $\mathbf{W} = \mathbf{W}_1 \dots \mathbf{W}_m$, each $\mathbf{W}_{i}$ with i.i.d. normalised $\mathcal{N}(0, n^{-1/2})$ entries. It is shown in Penson et al. (2011) that empirical distribution squared singular values $\mathbf{W}$ converges to a deterministic compactly supported on $[0, u_m]$, where $u_m \frac{{(m+1)}^{m+1}}{m^m}$. This generalises well-known case $m=1$, corresponding Marchenko-Pastur...
Au nord de l'Iran, au bord la mer Caspienne (N. Nekà, prov. Mazandaràn), un nouveau Melanargia a été découvert. Son habitus est très semblable à celui M titea wiskotti (Rôber, 1896) Turquie méridionale, caractérisé par une grande envergure et réduction des dessins noirs, mais ses genitalia, bien particuliers, le rapprochent plutôt M. evartianae Wagener, 1976. Comme cette entité se distingue nettement manière constante evartianae, nous estimons qu'il s'agit d'une nouvelle espèce : sadjadii n. sp.
The goal of derivative sampling is to reconstruct a signal from the samples function and its first-order derivative. In this paper, we consider problem over shift-invariant reconstruction subspace generated by two compact-support functions. We assume that reproduces polynomials up certain degree. then derive lower bound on sum supports generators. Finally, illustrate tightness our with some examples.
Plebeius callaghani n. sp. in N. Iran (Lep., Lycaenidae). The new entity was discovered by the second author beginning of June 2001 subalpine stage mountain range on north Karaj (prov. Tehràn), and rediscovered recently Curtis Callaghan Qazvin Zanjan). male species is well characterized a small size, dark violet blue upperside showing broad black suffusion margin, as argus Linné, 1758, and, underside hindwings, greyish ground colour with defined submarginal markings, somewhat P. ferganus...
Melanargia grumi lorestanensis n. ssp. in S-W Iran (Lep., Nymphalidae). The new entity was discovered by the first author mid june 2000 mountain range of western part Lorestan. It is distinguished from nominotypical ssp., on upper side a darker pattern, hind wings larger white postdiscal band and its quite immaculate underside. This record M. for Iran.
We study the problem of reconstructing a high-dimensional signal <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\mathrm {x} \in \mathbb {R}^{n}$ </tex-math></inline-formula> from low-dimensional noisy linear measurement {y}=\mathrm {M}\mathrm {x}+\mathrm {e} {R}^{\ell }$ , assuming x admits certain structure. model matrix as M = BA, with arbitrary {B} \times m}$ and sub-gaussian {A} {R}^{m n}$ ; therefore...
With increasing development of information technology, first level banks are searching for suitable strategies to fulfill their customers' needs. This research is centrally investigating the majority influential aspects in this area, including internal factors and external environment factors, using system attitude a comprehensive view. Accordingly, having analyzed indicators affecting modern banking services with emphasis on experts’ feedback, have been surveyed ranked. The population...
Two well-defined Zygaena taxa are described from the central Alborz range in Iran and placed as subspecies of two known Mesembrynus species. Both inhabit biotopes on northern side main range, areas that climatically influenced by Caspian Sea. speciosa oseyii ssp. n. is represented most north-westerly populations Z. Reiss, 1937, Kuh-e Samamus, Gardaneh-ye Tondrokosh Khash-Chal, all which characterized absence melanistic forms, while nominotypical exhibit only forms. tamara dailamica differs...
The aim of this research was to study the influence knowledge management on increasing productivity. According objectives, could be considered as a practical one, and according methodology; it descriptive – deductive. statistical society included 540 employees Lorestan Communication Organization, among whom 222 persons were selected sample, using Morgan Table random selection. We used two standard questionnaires, beside library research, Likert 5 dimension model Filious’s model. validity...
The infinitely wide neural network has been proven a useful and manageable mathematical model that enables the understanding of many phenomena appearing in deep learning. One example is convergence random networks to Gaussian processes allows rigorous analysis way choice activation function weights impacts training dynamics. In this paper, we extend seminal proof Matthews et al. (2018) larger class initial weight distributions (which call PSEUDO-IID), including established cases IID...
Plebeius afshar tandurehensis new ssp. in N-E Iran. The entity was discovered by Ali Reza Naderi mid June 2000 the sub-alpine stage of mountain range protected area Tandureh National Park (N-W Khoràsàn prov., vie. North Quchàn). male subspecies is distinguish from nominative a darker violet blue on upperside showing broader black suffusion margin and, underside, brown yellowish ground colour with better defined submarginal markings.