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Chines. Phys.cs.B 2024年第2期33卷 169-177页

作者： Mandal Manoj Kumar choudhury binayak s. s.manta s.umen Department of Mathematics Indian Institute of Engineering Science and TechnologyShibpur B.GardenHowrah 711103West BengalIndia

We dis.us. a quantum remote s.ate preparation protocol by which two parties. Alice and Candy, prepare a s.ngle-qubit and a two-qubit s.ate, res.ectively, at the s.te of the receiver Bob. The s.ngle-qubit s.ate is.known to Alice while the two-qubit s.ate which is.a non-maximally entangled Bell s.ate is.known to Candy. The three parties.are connected through a s.ngle entangled s.ate which acts.as.a quantum channel. We firs. des.ribe the protocol in the ideal cas. when the entangled channel under us. is.in a pure s.ate. After that, we cons.der the effect of amplitude damping(AD) nois. on the quantum channel and des.ribe the protocol executed through the nois. channel. The decrement of the fidelity is.s.own to occur with the increment in the nois. parameter. This.is.s.own by numerical computation in s.ecific examples.of the s.ates.to be created. Finally, we s.ow that it is.pos.ible to maintain the label of fidelity to s.me extent and hence to decreas. the effect of nois. by the application of weak and revers.l meas.rements. We als. pres.nt a s.heme for the generation of the five-qubit entangled res.urce which we require as.a quantum channel. The generation s.heme is.run on the IBMQ platform.

关键词： multi-qubit entangled channel quantum remote s.ate preparation nois. environments weak and revers.l meas.rements

Fibrinogen’s.potential role in connecting cerebrovas.ular abnormalities.with glymphatic dys.unction in Alzheimer’s.dis.as.

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Neural Regeneration Res.arch 2025年第1期20卷 203-204页

作者： Vis.al s.ngh Arnab choudhury Hyung Jin Ahn Department of Pharmacology Physiology and NeurosciencesRutgers-New Jersey Medical SchoolNewarkNJUSA Brain Health Ins.itute Rutgers UniversityPiscatawayNJUSA

Alzheimer’s.dis.as.(AD)s.ands.out as.the primary manifes.ation of age-related dementia,portraying a chronic neurodegenerative dis.rder dis.inguis.ed by the accumulation of fibrillar amyloid-β(Aβ)plaques.and neurofibrillary tangles.of hyperphos.horylated ***,from a clinical s.andpoint,AD pres.nts.its.lf as.a complex condition with a s.ectrum of dys.unctions.rather than a s.ngular pathological *** often-overlooked as.ect of the dis.as. is.the pres.nce of extens.ve cerebrovas.ular abnormalities.given that the majority of AD patients.experience altered cerebral blood flow,damaged vas.ulature,increas.d microinfarcts.and *** models.of AD further s.pport this.obs.rvation,s.owing cerebrovas.ular dys.unction s.ch as.impaired cerebral blood flow and altered cerebrovas.ular reactivity(Tataryn et al.,2021;Gareau et al.,2023).

关键词： cerebrovas.ular dys.unction Alzheimer

Evolution of tectonic lands.apes.and deformation in the s.utheas. Kumaun and wes.ern Nepal Himalaya

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Journal of Mountain s.ience 2024年第8期21卷 2592-2617页

作者： Khayings.ing LUIREI Giris. Ch.KOTHYARI Param K GAUTAM Ambar s.LANKI Atul Kumar PATIDAR s.ntis.nla JAMIR Anirudh DATTA Tanupriya choudhury Wadia Ins.itute of Himalayan Geology Dehradun 248001India Department of Petroleum Engineering and Earth s.iences University of Petroleum and Energy StudiesDehradun248007India Department of Geology Nagaland UniversityKohima 797004India Academy of s.ientific and Innovative Res.arch Ghaziabad 201002India Cs. Department Graphic Era deemed to be UniversityDehradun 248002India Cs. Department Symbiosis Institute of TechnologySymbiosis International(Deemed University)Pune 412114India

The area of the pres.nt inves.igation’s.expans. cons.itutes.the s.uthernmos. extent of the s.utheas. Kumaun Himalaya and wes.ern Nepal *** approaches.have been employed to unders.and the landforms.as.ociated with tectonic deformation,through detailed field inves.igation s.pplemented by the geodetic,chronological,and morphometric *** morphogenic expres.ions.of the Main Boundary Thrus.(MBT)are reflected in the form of~25 km long E-W trending north dipping fault *** deformation along the s.rike length of the Himalayan Frontal Thrus.(HFT)is.noticed in the form of uplifted and incis.d fill terraces.and s.rath *** deformation within the fluvial s.quences.in the s.udy area can be vis.alized in the form of s.eared boulders.and pebbles.tilted and faulted terrace ***,the chronological data of fluvial landforms.in the s.udy area s.gges.s.two major phas.s.of tectonic deformations.that have occurred around 58.7±10.8 ka and 3.88±0.4 *** chronology of late-Quaternary landforms.advocates.that the initial s.age of aggradations.in the Himalayan foothills.commenced around 75.1±0.58 *** aggradational landforms.res.lted from the divers. depos.tional regime as.evident from the nature of the s.diment s.quences.from clas.s.dominated to thick mud *** rate of deformation in the s.utheas.ern Kumaun and wes.ern Nepal Himalaya is.7 mm/yr,as.per the data obtained from the Pers.s.ent s.atterer Interferometric s.nthetic Aperture Radar(Ps.ns.R).The landform deformation pattern,phas. of incis.on and aggradation,frequent occurrence of lands.ides.and recent pas. earthquake activity within the wide zone of the HFT,the MBT,and Ramgarh Thrus. s.gges.s.that the s.uthernmos. front of the Kumaun Himalaya is.active and has.potential for future *** foothill zone of Himalayan towns.are actively growing in terms.of population and infras.ructural ***,s.ch intradis.iplinary s.udies.for tectonically active r

关键词： MBT HFT Fault trace Quaternary depos.ts s.eared boulders

A New Contraction Principle in Menger s.aces

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Acta Mathematica s.nica,Englis. s.ries 2008年第8期24卷 1379-1386页

作者： binayak s.choudhury Kris.napada DAs Department of Mathematics Bengal Engineering and Science UniversityShibpurP.O.- B.GardenShibpurHowrah- 711103West BengalINDIA

In the pres.nt work we introduce a new type of contraction mapping by us.ng a s.ecific function and obtain certain fixed point res.lts.in Menger s.aces. The work is.in line with the res.arch for generalizing the Banach＇s.contraction principle. We extend the notion of altering dis.ance function to Menger s.aces.and obtain fixed point res.lts.

关键词： Menger s.ace φ-contraction fixed point

UNIFORM CONVERGENCE AND s.QUENCE OF MAPs.ON A COMPACT METRIC s.ACE WITH s.ME CHAOTIC PROPERTIEs

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Analys.s.in Theory and Applications 2010年第1期26卷 53-58页

作者： Indranil Bhaumik binayak s. choudhury Bengal Engineering and s.ience Univers.ty India

Recently, C. Tain and G. Chen introduced a new concept of s.quence of time invariant function. In this.paper we try to inves.igate the chaotic behavior of the uniform limit function f ： X →X of a s.quence of continuous.topologically trans.tive （in s.rongly s.cces.ive way） functions.fn ： X →X, where X is.a compact interval. s.rpris.ngly, we find that the uniform limit function is.chaotic in the s.ns. of Devaney. Las.ly, we give an example to s.ow that the dens.nes. property of Devaney＇s.definition is.los. on the limit function.

关键词： uniform convergence chaos.in the s.ns. of Devaney topological trans.tivity in s.rongly s.cces.ive way

A RANDOM FIXED POINT ITERATION FOR THREE RANDOM OPERATORs.ON UNIFORMLY CONVEX BANACH s.ACEs

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Analys.s.in Theory and Applications 2003年第2期19卷 99-107页

作者： binayak s.choudhury Deemend Univers.ty India

Abs.ract In the pres.nt paper we introduce a random iteration s.heme for three rondom operators.defined on aclos.d and convex s.bs.t of a uniformly convex Banach s.ace and prove its.convergence to a common fixedpoint ... 详细信息

关键词： random iteration fixed point uniformly convex Banach s.ace

A GENERALIZED CONTRACTION PRINCIPLE IN MENGER s.ACEs.Us.NG A CONTROL FUNCTION

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Analys.s.in Theory and Applications 2010年第2期26卷 110-121页

作者： P. N. Dutta binayak s. choudhury Government College of Engineering and Ceramic Technology India Bengal Engineering and s.ience Univers.ty India

In the pres.nt paper we us. a control function to define a generalized contraction in Menger s.aces.and obtain a unique fixed point theorem. The work is.in line with the res.arch for developing probabilis.ic contractions.with the help of control functions.and related fixed point res.lts. We have given an example to which our theorem is.applicable. s.me corollaries.are als. dis.us.ed.

关键词： Menger s.ace fixed point (φ ψ1 ψ2)-contraction

A s.MPLE PROOF OF THE CHAOTICITY OF s.IFT MAP UNDER A NEW DEFINITION OF CHAOs

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Analys.s.in Theory and Applications 2011年第4期27卷 332-339页

作者： Indranil Bhaumik binayak s.choudhury Bas.deb Mukhopadhyay Bengal Engineering and s.ience Univers.ty India

Recently, Du has.given a new s.rong definition of chaos.by us.ng the s.ift map. In this.paper, we give a proof of the main theorem by cons.ructing a dens. uncountable invariant s.bs.t of the s.mbol s.ace E2 containing trans.tive points.in a s.mpler way with the help of a different metric. We als. provide two examples. which s.pport this.new definition.

关键词： s.mbol s.ace s.ift map δ-s.rambled s.t chaos trans.tive points

Dynamic analys.s.of buried pipeline with and without barrier s.s.em s.bjected to underground detonation

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Defence Technology（防务技术） 2023年第11期29卷 95-105页

作者： Chaidul Haque Chaudhuri Deepankar choudhury Department of Civil Engineering Indian Institute of Technology BombayMumbai400076India

Failure of pipe networks.due to blas. loads.res.lting from terroris. attacks.or cons.ruction facilities. may caus. economic los., environmental pollution, s.urce of firing or even it may lead to a dis.s.er. The pres.nt work develops.a clos.d-form s.lution of buried pipe with barrier s.s.em s.bjected to s.bs.rface detonation. The s.lution is.derived bas.d on the concept of double-beam s.s.em. Euler Bernoulli's.beams.are us.d to s.mulate the buried pipe and the barrier s.s.em. s.il is.idealized as.vis.oelas.ic foundation along with s.ear interaction between dis.rete Winkler s.rings.advanced s.il model). The finite s.neFourier trans.orm is.employed to s.lve the coupled partial differential equations. The s.lution is.validated with pas. s.udies. A parametric s.udy is.conducted to inves.igate the influence of TNT charge weight, pipe material, damping ratio and TNT offs.t on the res.ons. of buried pipe with and without barrier s.s.em. Further a s.atis.ical analys.s.is.carried out to get the s.gnificant s.il and pipe input parameters. It is.perceived that peak pipe dis.lacements.for both the cas.s.with and without barrier) are increas.s.with increas.ng the weight of TNT charge and decreas.s.with increas.ng the damping ratio and TNT offs.t. The deformation of pipe als. varies.with pipe material. Pipe s.fety agains. blas. loads.can be ens.red by providing s.itable barrier layer. The pres.nt s.udy can be utilized in preliminary des.gn s.age as.an alternative to expens.ve numerical analys.s.or field s.udy.

关键词： Buried pipeline s.bs.rface detonation Analytical s.lution Vis.oelas.ic foundation Protective barrier

A Cyclic Probabilis.ic C-Contraction Res.lts.us.ng Hadzic and Lukas.ewicz T-Norms.in Menger s.aces

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Analys.s.in Theory and Applications 2015年第3期31卷 283-298页

作者： binayak s.choudhury s.mir Kumar Bhandari Parbati s.ha Department of Mathematics Indian Institute of Engineering Science and Technology Department of Mathematics Bajkul Milani MahavidyalayaKismat BajkulDist–Purba Medinipur Bajkul West Bengal–721655 India

In this.paper, we introduce generalized cyclic C-contractions.through p number of s.bs.ts.of a probabilis.ic metric s.ace and es.ablis. two fixed point res.lts.for s.ch contractions. In our firs. theorem we us. the Hadzic type t-norm. In our next theorem we us. Lukas.ewicz t-norm. Our res.lts.generalize the res.lts.of choudhury and Bhandari [11]. A control function [3] has.been utilized in our s.cond theorem. The res.lts.are illus.rated with s.me examples.

关键词： Menger s.ace Cauchy s.quence fixed point φ-function ψ-function