A. Shophia Lawrence

ORCID: 0000-0003-4567-9486
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About
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Research Areas
  • Supply Chain and Inventory Management
  • Advanced Queuing Theory Analysis
  • Scheduling and Optimization Algorithms
  • Sustainable Supply Chain Management
  • Metal-Organic Frameworks: Synthesis and Applications
  • Optimization and Search Problems
  • Chemical Synthesis and Reactions
  • X-ray Diffraction in Crystallography
  • Asymmetric Hydrogenation and Catalysis
  • Transportation and Mobility Innovations
  • Catalytic Cross-Coupling Reactions
  • Advanced Manufacturing and Logistics Optimization

Madurai Kamaraj University
2012-2024

Abstract Among the various cross coupling reactions, C−C reaction has attracted many researchers to investigate in last four decades. The continuous, constant, and consistent progress this field fetched a Noble prize 2010, showing importance of diversified fields. transition metals studied for reaction, Pd is one that exhibited highest activity due its unique features reactivity. Although Pd‐based homogeneous catalyst was preferred choice researchers, slowly diverted towards development...

10.1002/cctc.202200403 article EN ChemCatChem 2022-07-12

10.1016/j.apm.2012.09.018 article EN publisher-specific-oa Applied Mathematical Modelling 2012-10-08

Friedel‐Crafts alkylation reaction is one of the well‐known C‐C bonds forming reactions in organic chemistry catalyzed by homogeneous or heterogeneous catalysts. Aluminosilicates and zeolites have been extensively employed as catalysts between Lewis Bronsted acids active sites for this reaction. In line, metal frameworks (MOFs) also receiving considerable attention last two decades. Thus, review aims to present catalytic performance MOFs with acid/Bronsted acid hydrogen bonding donor...

10.1002/cctc.202401477 article EN cc-by-nc ChemCatChem 2024-09-24

We consider a continuous review inventory system in which demands arrive according to Markovian arrival process. The that occur during stock-out periods enter finite pool. Once the pool is full, subsequent will be lost. use (s, S) ordering policy and variable for replenishing inventory. lead time assumed follow phase-type distribution. When on-hand level above s, demand selected one by with first come serve discipline. interval between any two successive selections of from have exponential...

10.1080/23302674.2015.1034298 article EN International Journal of Systems Science Operations & Logistics 2015-05-06

10.1080/03610926.2021.2023184 article EN Communication in Statistics- Theory and Methods 2022-01-06

A discrete time (s, S) inventory system with demands occurring according to a Bernoulli process and geometrically distributed lead is considered in this work. We address the situation which perishable items are packaged stored suitable controlled environment so that packets do not perish over time. However, when packet opened meet unit demand, we assume all remaining of packet, brought out environment, may start decaying. As type ordering policy adopted for packets. The distribution level...

10.1504/ijor.2013.057513 article EN International Journal of Operational Research 2013-01-01

Abstract In this article, we provide a comprehensive analyses of two continuous review lost sales inventory system based on different replenishment policies, namely $(s,S)$ and $(s,Q)$ . We assume that the arrival times demands form Poisson process demand sizes have i.i.d. exponential distribution. items in stock may obsolete after an time. The lead time for is exponential. also excess occurred during out periods are lost. Using point method level crossing integral equation method, derive...

10.1017/s0269964822000171 article EN Probability in the Engineering and Informational Sciences 2022-05-26
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