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Journal Publications:
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R. Alam and
S. S. Ahmad, Sensitivity analysis of nonlinear eigenproblems,
SIAM J. Matrix Anal. Appl., 40(2019),
pp.672-695.
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R. Das and
R. Alam, Affine spaces of strong linearizations for rational matrices
and the recovery of eigenvectors and minimal bases,
Linear Algebra Appl., 569(2019), pp.
335-368.
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R. Das and
R. Alam, Automatic recovery of eigenvectors and minimal bases of matrix
polynomials from generalized Fiedler pencils with repetition,
Linear Algebra Appl., 569(2019), pp. 78-112.
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R. Das and
R. Alam, Recovery of minimal bases and minimal indices of rational
matrices from FIedler-like pencils, Linear Algebra
Appl., 566(2019), pp. 34-60.
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A. Ghosh
and R. Alam, Sensitivity and backward perturbation analysis of
multiparameter eigenvalue problems, SIAM J. Matrix
Anal. Appl., 39(2018), pp. 1750-1775.
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R. Alam and
N. Behera, Generalized Fiedler pencils for rational matrix functions,
SIAM J. Matrix Anal. Appl., 39(2018),
pp.587-610.
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R. Alam and
N. Behera, Recovery of eigenvectors of rational matrix functions from
Fiedler-like linearizations,
Linear Algebra Appl.,
510 (2016),
373-394.
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R. Alam and
N. Behera, Linearizations for rational matrix functions and Rosenbrock
system polynomials,
SIAM Journal Matrix Anal.
Appl., 37 (2016), pp.354-380.
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B. Adhikari
and R. Alam, Structured Procrustes problem,
Linear Algebra Appl., 490(2016),
pp. 145-161.
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S. S. Ahmad
and R. Alam, Wilkinson's problem for matrix pencils,
Electronic J. Linear Algebra, 30 (2015),
pp.632-648.
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R. Alam, On
the sensitivity analysis of eigenvalues,
Electronic J. Linear Algebra, 29(2015), pp.223-235.
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R. Alam, S. Bora, M. Karow, V. Mehrmann and
J. Moro,
Perturbation theory for Hamiltonian matrices and the distance
to bounded realness, SIAM Journal Matrix Anal.
Appl., 32(2011), pp.484-514.
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B. Adhikari, R. Alam and D. Kressner,
Structured eigenvalue condition numbers and linearizations for
matrix polynomials, Linear Algebra Appl.,
435(2011), pp. 2193-2221.
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R. Alam, S. Bora, R. Byers and M. L. Overton,
Characterization and construction of the nearest defective matrix
via coalescence of pseudospectral components,
Linear Algebra Appl., 435(2011), pp. 494-513.
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B. Adhikari and R. Alam,
On backward errors of structured polynomial eigenproblems solved by
structure preserving linearizations, Linear
Algebra. Appl., 434(2011), pp. 1989-2017.
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S.S. Ahmad, R. Alam and R. Byers, On pseudospectra, critical points and
multiple eigenvalues of matrix pencils, SIAM J.
Matrix Anal. Appl., 31(2010), pp.1915-1933.
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B.
Adhikari and R. Alam,
Structured backward errors and pseudospectra of structured
matrix pencils, SIAM J. Matrix Anal. Appl.,
31(2009), pp. 331-359.
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S. S. Ahmad and R. Alam, Pseudospectra, critical points and
multiple eigenvalues of matrix polynomials, Linear
Algebra Appl., 430 (2008), pp. 1171-1195.
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R. Alam, Wilkinson's problem revisited,
Journal of Analysis., 4(2006), pp.176-205.
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R. Alam, On the construction of nearest defective matrices to a
normal matrix, Linear Algebra Appl.,
395(2005), pp.367-370.
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R. Alam and S. Bora, On sensitivity of eigenvalues and
eigendecompositions of matrices, Linear
Algebra Appl.396(2005), pp.273-301.
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R. Alam and S. Bora, On stable eigendecomposition of matrices,
SIAM J. Matrix Anal. Appl. 26(2005),
pp.830-848.
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R. Alam and S. Bora, Effect of linear perturbation on spectra of
matrices, Linear Algebra Appl., 368(2003),
329-342.
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R. Alam and S. Bora, Stability of eigenvalues and spectral
decompositions under linear perturbation, Linear
Algebra Appl., 364(2003), 189-211.
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R. Alam, Spectral refinements of Newton type for eigenelements of
bounded linear operators, J. Math. Anal. Appl.,
241(2000), pp.214-23.
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R.
Alam, R. P. Kulkarni and B. V. Limaye,
Accelerated spectral refinement. Part II Cluster of
eigenvalues, ANZIAM J., 42(2000),
pp.224-243.
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R. Alam, R. P. Kulkarni and B. V. Limaye, Accelerated spectral
refinement. Part I Simple eigenvalue, J.
Austral. Maths. Soc. (Series B), 41(2000), pp.487-507.
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R. Alam, On spectral approximation of linear
operators, J. Math. Anal. Appl.,
226(1998), pp.229-244.
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R. Alam, R. P. Kulkarni and B. V. Limaye,
Accelerated spectral approximation, Maths.
Comp., 67(1998), No.224, pp.1401-1422.
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R. Alam, R. P.
Kulkarni and B. V. Limaye , Boundedness of adjoint bases of approximate
spectral subspaces and of associated block reduced resolvents,
Numer. Funct. Anal. Optimiz., 17(1996),
pp.472-502.
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