Yogi Ahmad Erlangga, PhD

Assistant Professor

  • 968 Citations
  • 14 h-Index
20042020
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Fingerprint Dive into the research topics where Yogi Ahmad Erlangga is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 1 Similar Profiles
Preconditioner Mathematics
Helmholtz Equation Mathematics
Helmholtz equation Earth & Environmental Sciences
waveforms Physics & Astronomy
Hermann Von Helmholtz Mathematics
Helmholtz equations Physics & Astronomy
Deflation Mathematics
inversions Physics & Astronomy

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Projects 2018 2020

Imaging in Seismic Exploration

Erlangga, Y. A. & Castilla, A. C.

3/20/1812/31/20

Project: Research project

Inverse problems
Imaging techniques
Partial differential equations
Constrained optimization
Acoustic waves
Reaction Engineering
Divergence-free
Chemical Reaction
Feedback Control
Dirichlet

Research Output 2004 2018

  • 968 Citations
  • 14 h-Index
  • 21 Article
  • 6 Conference contribution
  • 1 Paper

An iterative multilevel method for computing wavefields in frequency-domain seismic inversion

Erlangga Ahmad, Y. & Herrmann, F. J., Jan 1 2018, 78th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2008. Society of Exploration Geophysicists, p. 1956-1960 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

inversions
linear systems
multigrid methods
factorization
propagation

Interpolating solutions of the Helmholtz equation with compressed sensing

Lin, T. T. Y., Lebed, E., Erlangga Ahmad, Y. & Herrmann, F. J., Jan 1 2018, 78th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2008. Society of Exploration Geophysicists, p. 2122-2126 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Helmholtz equation
Helmholtz equations
sampling
experiment
method

On the convergence of two-level Krylov methods for singular symmetric systems

Erlangga, Y. A. & Nabben, R., Dec 1 2017, In : Numerical Linear Algebra with Applications. 24, 6, e2108.

Research output: Contribution to journalArticle

Two-level Method
Krylov Methods
Linear systems
Minimal Residual Method
Multilevel Methods
12 Citations (Scopus)

Iterative schemes for high order compact discretizations to the exterior Helmholtz equation

Erlangga, Y. & Turkel, E., May 2012, In : ESAIM: Mathematical Modelling and Numerical Analysis. 46, 3, p. 647-660 14 p.

Research output: Contribution to journalArticle

Helmholtz equation
Helmholtz Equation
Iterative Scheme
Preconditioner
Discretization
13 Citations (Scopus)

Algebraic multilevel Krylov methods

Erlangga, Y. A. & Nabben, R., 2009, In : SIAM Journal on Scientific Computing. 31, 5, p. 3417-3437 21 p.

Research output: Contribution to journalArticle

Krylov Methods
Multilevel Methods
Algebraic multigrid Method
Transfer Operator
Helmholtz equation