Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Ramin Kazemi"'
Autor:
Ramin Kazemi, Seyedali Mirjalili
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-29 (2024)
Abstract A key goal of environmental policies and circular economy strategies in the construction sector is to convert demolition and industrial wastes into reusable materials. As an industrial by-product, Waste marble (WM), has the potential to repl
Externí odkaz:
https://doaj.org/article/5f252a95032b4189aef963c07c6fa5e6
Autor:
Ramin Kazemi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-21 (2024)
Abstract One of the major challenges in the civil engineering sector is the durability of reinforced concrete structures against carbonation during the physico-chemical process of interaction of hydrated cementitious composites with carbon dioxide. T
Externí odkaz:
https://doaj.org/article/dd1f4b3189414e079a227eb6c071d64b
Autor:
Ramin Kazemi
Publikováno v:
ریاضی و جامعه, Vol 8, Iss 2, Pp 47-62 (2023)
The role of Alexander Yakovlevich Khintchine in mathematics and especially in probability theory is undeniable. His approaches to teaching mathematics, especially in the secondary school, are still a perfect model for mathematics teachers. On the oth
Externí odkaz:
https://doaj.org/article/85deb00008f541509fe41e950ced5d90
Autor:
Ramin Kazemi
Publikováno v:
Transactions on Combinatorics, Vol 12, Iss 2, Pp 93-105 (2023)
The main goal of this paper is to study the modified $F$-indices (modified first Zagreb index and modified forgotten topological index) of random $m$-oriented recursive trees (RMORTs). First, through two recurrence equations, we compute the mean and
Externí odkaz:
https://doaj.org/article/2296aba480b14ef1a9a0de3363df04d6
Autor:
Ramin Kazemi
Publikováno v:
Engineering Reports, Vol 5, Iss 9, Pp n/a-n/a (2023)
Abstract Advanced concrete technology is the science of efficient, cost‐effective, and safe design in civil engineering projects. Engineers and concrete designers are generally faced with the slightest change in the conditions or objectives of the
Externí odkaz:
https://doaj.org/article/6481d4e60bad459aa41d1fc3379c2a21
Autor:
Ramin Kazemi
Publikováno v:
ریاضی و جامعه, Vol 7, Iss 4, Pp 1-10 (2023)
The outstanding Russian mathematician Aleksandr M. Lyapunov passed away one hundred years ago, on November 6, 1918. Honouring his memory, we recall the main events of his life when he was a student, then from the years in Saint Petersburg until 1885,
Externí odkaz:
https://doaj.org/article/ca99e71bdb21448ba22e875243d9a389
Autor:
Ramin Kazemi
Publikováno v:
ریاضی و جامعه, Vol 7, Iss 1, Pp 1-19 (2022)
In this paper, by introducing well-established epidemiological models, compartmental models and Ising models, examples of their applications in describing epidemics, including some aspects of Covid-19, and several perspectives are presented. The impo
Externí odkaz:
https://doaj.org/article/919f1503d1ca423c91a124304595cdf9
Publikováno v:
Mathematics Interdisciplinary Research, Vol 6, Iss 3, Pp 215-223 (2021)
In this paper, by applying analytic combinatorics, we obtain an asymptotics for the t-th moment of the number of phrases of length l in the Lempel-Ziv parsing algorithms built over a string generated by an asymmetric Bernou
Externí odkaz:
https://doaj.org/article/de6f339f7129431a8c32a1e3127be77b
Autor:
Ramin Kazemi
Publikováno v:
Mathematics Interdisciplinary Research, Vol 6, Iss 1, Pp 1-10 (2021)
For a simple graph G, the Gordon-Scantlebury index of G is equal to the number of paths of length two in G, and the Platt index is equal to the total sum of the degrees of all edges in G. In this paper, we study these indic
Externí odkaz:
https://doaj.org/article/5f5f6a943e7244cd8a8e9d0a2651ac38
Autor:
Ramin Kazemi, Ali Behtoei
Publikováno v:
Transactions on Combinatorics, Vol 9, Iss 3, Pp 161-169 (2020)
The Hosoya index, also known as the $Z$ index, of a graph is the total number of matchings in it. In this paper, we study the Hosoya index of the tree structures. Our aim is to give some results on $Z$ in
Externí odkaz:
https://doaj.org/article/d1520b60c790483583ed2a7492e6d01c