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20152021
most citedNumerical solutions for a class of singular boundary value problems arising in the theory of epitaxial growth

9 citations · 26 across the 13 of their papers we have counts for

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Showing 2019Show all

11 papers · 1 filter

math.FA2019

A note on continuous fractional wavelet transform in

Amit K. Verma, Bivek Gupta

In this paper, we have studied continuous fractional wavelet transform (CFrWT) in -dimensional Euclidean space with dilation parameter $\boldsymbol a=(a_{1},a_{2}…

math.NA2019

An improved Haar wavelet quasilinearization technique for a class of generalized Burger's equation

Amit K. Verma, Mukesh Rawani

Solving Burgers' equation always poses challenge to researchers as for small values of viscosity the analytical solution breaks down. Here we propose to compute numerical solution…

math.NA2019

System of Lane-Emden equations as IVPs BVPs and Four Point BVPs & Computation with Haar Wavelets

Amit K. Verma, Narendra Kumar, Diksha Tiwari

In this work we present Haar wavelet collocation method and solve the following class of system of Lane-Emden equation defined as \begin{eqnarray*} -(t^{k_1} y'(t))'=t^{-ω_1} f_1(t…

math.CA2019

Region of existence of multiple solutions for a class of 4-point BVPs

Amit K. Verma, Nazia Urus

The aim of this article is to prove the existence of solution and compute the region of existence for a class of 4-point BVPs defined as, \begin{eqnarray*} &&-u''(x)=ψ(x,u,u'), \qu…

math.CA2019

Regions of existence for a class of nonlinear diffusion type problems

Amit K. Verma, Mandeep Singh, Ravi P. Agarwal

The regions of existence are established for a class of two point nonlinear diffusion type boundary value problems (NDBVP) \begin{eqnarray*} &&\label{abst-intr-1} -s''(x)-ns'(x)-\f…

math.NA2019

Haar wavelets collocation on a class of Emden-Fowler equation via Newton's quasilinearization and Newton-Raphson techniques

Amit Kumar Verma, Narendra Kumar

In this paper we have considered generalized Emden-Fowler equation, \begin{equation*} y''(t)+σt^γy^β(t)=0, ~~~~~~~~t \in ]0,1[ \end{equation*} subject to the following boundary con…

math.CA2019★ 3 cited

A note on derivative dependent singular boundary value problems arising in physiology

R. K. Pandey, A. K. Verma

In this note we establish existence of solutions of singular boundary value problem for and , $α_{1}y(b)+β_{1}…

math.NA2019★ 2 cited

On a seventh order convergent weakly -stable Newton Cotes formula with application on Burger's equation

Amit Kumar Verma, Mukesh Kumar Rawani, Ravi P. Agarwal

In this paper we derive order convergent integration formula in time which is weakly -stable. To derive the method we use, Newton Cotes formula, fifth-order Hermite int…

math.NA2019★ 9 cited

Numerical solutions for a class of singular boundary value problems arising in the theory of epitaxial growth

Amit Kumar Verma, Biswajit Pandit, Carlos Escudero

The existence of numerical solutions to a fourth order singular boundary value problem arising in the theory of epitaxial growth is studied. An iterative numerical method is applie…

math.NA2019★ 3 cited

Existence and nonexistence results of radial solutions to singular BVPs arising in epitaxial growth theory

Amit Kumar Verma, Biswajit Pandit

The existence and nonexistence of stationary radial solutions to the elliptic partial differential equation arising in the molecular beam epitaxy are studied. The fourth-order radi…

math.NA2019★ 5 cited

On some computational aspects of Hermite wavelets on a class of SBVPs arising in exothermic reactions

Amit K. Verma, Diksha Tiwari

We propose a new class of SBVPs which deals with exothermic reactions. We also propose four computationally stable methods to solve singular nonlinear BVPs by using Hermite wavelet…