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Alex Pothen
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- affiliation: Purdue University, West Lafayette, IN, USA
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2020 – today
- 2025
- [i15]Siddhartha Shankar Das, Naheed Anjum Arafat, Muftiqur Rahman, S. M. Ferdous, Alex Pothen, Mahantesh M. Halappanavar:
SGS-GNN: A Supervised Graph Sparsification method for Graph Neural Networks. CoRR abs/2502.10208 (2025) - [i14]Henrik Reinstädtler, S. M. Ferdous, Alex Pothen, Bora Uçar, Christian Schulz:
Semi-Streaming Algorithms for Hypergraph Matching. CoRR abs/2502.13636 (2025) - 2024
- [c52]S. M. Ferdous
, Bhargav Samineni, Alex Pothen, Mahantesh Halappanavar, Bala Krishnamoorthy:
Semi-Streaming Algorithms for Weighted k-Disjoint Matchings. ESA 2024: 53:1-53:19 - [c51]Siddhartha Shankar Das
, S. M. Ferdous
, Mahantesh M. Halappanavar
, Edoardo Serra
, Alex Pothen
:
AGS-GNN: Attribute-guided Sampling for Graph Neural Networks. KDD 2024: 538-549 - [c50]Hanjing Xu, Alex Pothen:
Divide and Conquer-based Quantum Algorithms for Maximum Independent Set on Large Separable Graphs. QCE 2024: 87-97 - [c49]S. M. Ferdous
, Alex Pothen, Mahantesh Halappanavar:
Streaming Matching and Edge Cover in Practice. SEA 2024: 12:1-12:22 - [i13]Siddhartha Shankar Das, S. M. Ferdous, Mahantesh M. Halappanavar, Edoardo Serra, Alex Pothen:
AGS-GNN: Attribute-guided Sampling for Graph Neural Networks. CoRR abs/2405.15218 (2024) - [i12]Kathrin Hanauer, Uwe Naumann, Alex Pothen, Robert Schreiber:
Discrete Algorithms on Modern and Emerging Compute Infrastructure (Dagstuhl Seminar 24201). Dagstuhl Reports 14(5): 12-24 (2024) - 2023
- [j31]Hanjing Xu, Samudra Dasgupta, Alex Pothen
, Arnab Banerjee
:
Dynamic Asset Allocation with Expected Shortfall via Quantum Annealing. Entropy 25(3): 541 (2023) - [c48]Pasqua D'Ambra
, Fabio Durastante
, S. M. Ferdous
, Salvatore Filippone
, Mahantesh Halappanavar
, Alex Pothen
:
AMG Preconditioners based on Parallel Hybrid Coarsening and Multi-objective Graph Matching. PDP 2023: 59-67 - [i11]S. M. Ferdous, Bhargav Samineni, Alex Pothen, Mahantesh Halappanavar, Bala Krishnamoorthy:
Streaming Algorithms for Weighted k-Disjoint Matchings. CoRR abs/2311.02073 (2023) - 2022
- [j30]Ahmed Al-Herz
, Alex Pothen
:
A 2/3-approximation algorithm for vertex-weighted matching. Discret. Appl. Math. 308: 46-67 (2022) - [c47]Siddhartha Shankar Das
, Mahantesh Halappanavar, Antonino Tumeo, Edoardo Serra, Alex Pothen, Ehab Al-Shaer:
VWC-BERT: Scaling Vulnerability-Weakness-Exploit Mapping on Modern AI Accelerators. IEEE Big Data 2022: 1224-1229 - [i10]Abida Sanjana Shemonti, Emanuele Plebani
, Natalia P. Biscola, Deborah M. Jaffey, Leif A. Havton, Janet R. Keast, Alex Pothen, Murat Dundar, Terry L. Powley, Bartek Rajwa:
A novel statistical methodology for quantifying the spatial arrangements of axons in peripheral nerves. CoRR abs/2210.09554 (2022) - [i9]Abida Sanjana Shemonti, Joshua D. Eisenberg, Robert O. Heuckeroth, Marthe J. Howard, Alex Pothen, Bartek Rajwa:
Generative modeling of the enteric nervous system employing point pattern analysis and graph construction. CoRR abs/2210.15044 (2022) - 2021
- [j29]Seher Acer, Ariful Azad, Erik G. Boman, Aydin Buluç
, Karen D. Devine, S. M. Ferdous
, Nitin Gawande
, Sayan Ghosh, Mahantesh Halappanavar
, Ananth Kalyanaraman, Arif Khan, Marco Minutoli
, Alex Pothen
, Sivasankaran Rajamanickam, Oguz Selvitopi, Nathan R. Tallent
, Antonino Tumeo:
EXAGRAPH: Graph and combinatorial methods for enabling exascale applications. Int. J. High Perform. Comput. Appl. 35(6): 553-571 (2021) - [c46]S. M. Ferdous
, Alex Pothen, Arif Khan, Ajay Panyala, Mahantesh Halappanavar:
A Parallel Approximation Algorithm for Maximizing Submodular b-Matching. ACDA 2021: 45-56 - [c45]Siddhartha Shankar Das, Edoardo Serra
, Mahantesh Halappanavar, Alex Pothen
, Ehab Al-Shaer:
V2W-BERT: A Framework for Effective Hierarchical Multiclass Classification of Software Vulnerabilities. DSAA 2021: 1-12 - [i8]Siddhartha Shankar Das, Edoardo Serra, Mahantesh Halappanavar, Alex Pothen, Ehab Al-Shaer:
V2W-BERT: A Framework for Effective Hierarchical Multiclass Classification of Software Vulnerabilities. CoRR abs/2102.11498 (2021) - [i7]S. M. Ferdous, Alex Pothen, Arif Khan, Ajay Panyala, Mahantesh Halappanavar:
A Parallel Approximation Algorithm for Maximizing Submodular b-Matching. CoRR abs/2107.05793 (2021) - 2020
- [j28]Yu Hong Yeung
, Alex Pothen
, Jessica Crouch:
AMPS: Real-time mesh cutting with augmented matrices for surgical simulations. Numer. Linear Algebra Appl. 27(6) (2020) - [c44]Ahmed Al-Herz
, Alex Pothen:
A Parallel 2/3-Approximation Algorithm for Vertex-Weighted Matching. CSC 2020: 12-21 - [c43]Xin Cheng, Hemanta K. Maji, Alex Pothen:
Graphs with Tunable Chromatic Numbers for Parallel Coloring. CSC 2020: 54-64
2010 – 2019
- 2019
- [j27]Alex Pothen
, S. M. Ferdous
, Fredrik Manne:
Approximation algorithms in combinatorial scientific computing. Acta Numer. 28: 541-633 (2019) - [j26]Florin Dobrian, Mahantesh Halappanavar, Alex Pothen
, Ahmed Al-Herz
:
A 2/3-Approximation Algorithm for Vertex Weighted Matching in Bipartite Graphs. SIAM J. Sci. Comput. 41(1): A566-A591 (2019) - [c42]Alex Pothen, Steve Ulrich:
Close-Range Rendezvous with a Moving Target Spacecraft using Udwadia- Kalaba Equation. ACC 2019: 3267-3272 - [c41]Alex Pothen
:
Parallel algorithms through approximation: graphs, data privacy and machine learning. CF 2019: 340 - [c40]Arif M. Khan, Mahantesh Halappanavar, Tobias Hagge, Karol Kowalski, Alex Pothen
, Sriram Krishnamoorthy
:
Mapping Arbitrarily Sparse Two-Body Interactions on One-Dimensional Quantum Circuits. HiPC 2019: 52-62 - [i6]Ahmed Al-Herz, Alex Pothen:
A 2/3-Approximation Algorithm for Vertex-weighted Matching. CoRR abs/1902.05877 (2019) - 2018
- [j25]Mu Wang, Guang Lin
, Alex Pothen
:
Using automatic differentiation for compressive sensing in uncertainty quantification. Optim. Methods Softw. 33(4-6): 799-812 (2018) - [c39]Ye Chen, Ryan D. Calvert
, Ariful Azad, Bartek Rajwa
, James Fleet, Timothy Ratliff, Alex Pothen
:
Phenotyping Immune Cells in Tumor and Healthy Tissue Using Flow Cytometry Data. BCB 2018: 73-78 - [c38]S. M. Ferdous
, Arif M. Khan, Alex Pothen
:
Parallel Algorithms Through Approximation: B-Edge Cover. IPDPS 2018: 22-33 - [c37]Arif Khan, Krzysztof Choromanski, Alex Pothen, S. M. Ferdous, Mahantesh Halappanavar, Antonino Tumeo:
Adaptive anonymization of data using b-edge cover. SC 2018: 59:1-59:11 - [c36]S. M. Ferdous
, Alex Pothen, Arif Khan:
New Approximation Algorithms for Minimum Weighted Edge Cover. CSC 2018: 97-108 - [i5]Florin Dobrian, Mahantesh Halappanavar, Alex Pothen, Ahmed Al-Herz:
A 2/3-Approximation Algorithm for Vertex-weighted Matching in Bipartite Graphs. CoRR abs/1804.08016 (2018) - [i4]Yu Hong Yeung, Alex Pothen, Jessica Crouch:
AMPS: A Real-time Mesh Cutting Algorithm for Surgical Simulations. CoRR abs/1811.00328 (2018) - 2017
- [j24]Yu Hong Yeung
, Alex Pothen
, Mahantesh Halappanavar, Zhenyu Huang:
AMPS: An Augmented Matrix Formulation for Principal Submatrix Updates with Application to Power Grids. SIAM J. Sci. Comput. 39(5) (2017) - [j23]Ariful Azad
, Aydin Buluç
, Alex Pothen
:
Computing Maximum Cardinality Matchings in Parallel on Bipartite Graphs via Tree-Grafting. IEEE Trans. Parallel Distributed Syst. 28(1): 44-59 (2017) - [j22]Tianying Wu, Vaithianathan Venkatasubramanian
, Alex Pothen
:
Fast Parallel Stochastic Subspace Algorithms for Large-Scale Ambient Oscillation Monitoring. IEEE Trans. Smart Grid 8(3): 1494-1503 (2017) - [c35]Alex Pothen
, Ananth Grama:
Introduction to HiCOMB Workshop. IPDPS Workshops 2017: 251 - [i3]Yu Hong Yeung, Alex Pothen, Mahantesh Halappanavar, Zhenyu Huang:
AMPS: An Augmented Matrix Formulation for Principal Submatrix Updates with Application to Power Grids. CoRR abs/1706.03147 (2017) - 2016
- [j21]Ariful Azad, Bartek Rajwa
, Alex Pothen
:
flowVS: channel-specific variance stabilization in flow cytometry. BMC Bioinform. 17: 291 (2016) - [j20]Mu Wang, Assefaw Hadish Gebremedhin, Alex Pothen
:
Capitalizing on live variables: new algorithms for efficient Hessian computation via automatic differentiation. Math. Program. Comput. 8(4): 393-433 (2016) - [j19]Arif M. Khan, Alex Pothen
, Md. Mostofa Ali Patwary, Nadathur Rajagopalan Satish, Narayanan Sundaram, Fredrik Manne, Mahantesh Halappanavar, Pradeep Dubey:
Efficient Approximation Algorithms for Weighted b-Matching. SIAM J. Sci. Comput. 38(5) (2016) - [j18]Yu Hong Yeung
, Jessica Crouch, Alex Pothen
:
Interactively Cutting and Constraining Vertices in Meshes Using Augmented Matrices. ACM Trans. Graph. 35(2): 18:1-18:17 (2016) - [c34]Arif M. Khan, Alex Pothen
, Md. Mostofa Ali Patwary, Mahantesh Halappanavar, Nadathur Rajagopalan Satish, Narayanan Sundaram, Pradeep Dubey:
Designing scalable b-Matching algorithms on distributed memory multiprocessors by approximation. SC 2016: 773-783 - [c33]Arif M. Khan, Alex Pothen:
A New 3/2-Approximation Algorithm for the b-Edge Cover Problem. CSC 2016: 52-61 - [c32]Mu Wang, Alex Pothen, Paul D. Hovland
:
Edge Pushing is Equivalent to Vertex Elimination for Computing Hessians. CSC 2016: 102-111 - 2015
- [j17]Mahantesh Halappanavar, Alex Pothen
, Ariful Azad, Fredrik Manne, Johannes Langguth, Arif M. Khan:
Codesign Lessons Learned from Implementing Graph Matching on Multithreaded Architectures. Computer 48(8): 46-55 (2015) - [c31]Ariful Azad, Aydin Buluç
, Alex Pothen
:
A Parallel Tree Grafting Algorithm for Maximum Cardinality Matching in Bipartite Graphs. IPDPS 2015: 1075-1084 - [c30]Alex Pothen:
PCO Keynote. IPDPS Workshops 2015: 1108 - [c29]Alex Pothen:
How to match in parallel: approximation algorithms and multicore machines. IA3@SC 2015: 1:1 - 2014
- [i2]Ariful Azad, Bartek Rajwa, Alex Pothen:
Immunophenotypes of Acute Myeloid Leukemia From Flow Cytometry Data Using Templates. CoRR abs/1403.6358 (2014) - 2013
- [j16]Assefaw Hadish Gebremedhin, Duc C. Nguyen, Md. Mostofa Ali Patwary, Alex Pothen
:
ColPack: Software for graph coloring and related problems in scientific computing. ACM Trans. Math. Softw. 40(1): 1:1-1:31 (2013) - [c28]Ariful Azad, Arif M. Khan, Bartek Rajwa, Saumyadipta Pyne, Alex Pothen
:
Classifying Immunophenotypes With Templates From Flow Cytometry. BCB 2013: 256 - 2012
- [j15]Ariful Azad, Saumyadipta Pyne, Alex Pothen
:
Matching phosphorylation response patterns of antigen-receptor-stimulated T cells via flow cytometry. BMC Bioinform. 13(S-2): S10 (2012) - [j14]Mahantesh Halappanavar, John Feo, Oreste Villa, Antonino Tumeo
, Alex Pothen
:
Approximate weighted matching on emerging manycore and multithreaded architectures. Int. J. High Perform. Comput. Appl. 26(4): 413-430 (2012) - [j13]Ümit V. Çatalyürek
, John Feo, Assefaw Hadish Gebremedhin, Mahantesh Halappanavar, Alex Pothen
:
Graph coloring algorithms for multi-core and massively multithreaded architectures. Parallel Comput. 38(10-11): 576-594 (2012) - [c27]Ariful Azad, Mahantesh Halappanavar, Sivasankaran Rajamanickam, Erik G. Boman, Arif M. Khan, Alex Pothen
:
Multithreaded Algorithms for Maxmum Matching in Bipartite Graphs. IPDPS 2012: 860-872 - [c26]Ariful Azad, Alex Pothen
:
Multithreaded Algorithms for Matching in Graphs with Application to Data Analysis in Flow Cytometry. IPDPS Workshops 2012: 2494-2497 - [c25]Arif M. Khan, David F. Gleich, Alex Pothen
, Mahantesh Halappanavar:
A multithreaded algorithm for network alignment via approximate matching. SC 2012: 64 - [i1]Ümit V. Çatalyürek, John Feo, Assefaw Hadish Gebremedhin, Mahantesh Halappanavar, Alex Pothen:
Graph Coloring Algorithms for Muti-core and Massively Multithreaded Architectures. CoRR abs/1205.3809 (2012) - 2011
- [c24]Md. Mostofa Ali Patwary, Assefaw Hadish Gebremedhin, Alex Pothen
:
New Multithreaded Ordering and Coloring Algorithms for Multicore Architectures. Euro-Par (2) 2011: 250-262 - [c23]Ümit V. Çatalyürek
, Florin Dobrian, Assefaw Hadish Gebremedhin, Mahantesh Halappanavar, Alex Pothen
:
Distributed-Memory Parallel Algorithms for Matching and Coloring. IPDPS Workshops 2011: 1971-1980 - [c22]Ariful Azad, Mahantesh Halappanavar, Florin Dobrian, Alex Pothen
:
Computing maximum matching in parallel on bipartite graphs: worth the effort? IA3@SC 2011: 11-14 - 2010
- [c21]Emad Y. Ramadan
, Christopher Osgood, Alex Pothen
:
Discovering overlapping modules and bridge proteins in proteomic networks. BCB 2010: 366-369 - [c20]Ariful Azad, Johannes Langguth, Youhan Fang, Yuan (Alan) Qi, Alex Pothen
:
Identifying Rare Cell Populations in Comparative Flow Cytometry. WABI 2010: 162-175
2000 – 2009
- 2009
- [j12]Assefaw Hadish Gebremedhin, Arijit Tarafdar, Alex Pothen
, Andrea Walther
:
Efficient Computation of Sparse Hessians Using Coloring and Automatic Differentiation. INFORMS J. Comput. 21(2): 209-223 (2009) - [c19]Michelle Mills Strout, Nissa Osheim, Dave Rostron, Paul D. Hovland
, Alex Pothen
:
Evaluation of Hierarchical Mesh Reorderings. ICCS (1) 2009: 540-549 - 2007
- [j11]Assefaw Hadish Gebremedhin, Arijit Tarafdar, Fredrik Manne, Alex Pothen
:
New Acyclic and Star Coloring Algorithms with Application to Computing Hessians. SIAM J. Sci. Comput. 29(3): 1042-1072 (2007) - 2006
- [c18]Bruce Hendrickson, Alex Pothen:
Combinatorial Scientific Computing: The Enabling Power of Discrete Algorithms in Computational Science. VECPAR 2006: 260-280 - 2005
- [j10]Assefaw Hadish Gebremedhin, Fredrik Manne, Alex Pothen
:
What Color Is Your Jacobian? Graph Coloring for Computing Derivatives. SIAM Rev. 47(4): 629-705 (2005) - [c17]Emad Y. Ramadan
, Christopher Osgood, Alex Pothen
:
The Architecture of a Proteomic Network in the Yeast. CompLife 2005: 265-276 - 2004
- [j9]Michael Wagner
, Dayanand N. Naik, Alex Pothen
, Srinivas Kasukurti, Raghu Ram Devineni, Bao-Ling Adam, O. John Semmes, George L. Wright Jr.:
Computational protein biomarker prediction: a case study for prostate cancer. BMC Bioinform. 5: 26 (2004) - [c16]Emad Y. Ramadan, Arijit Tarafdar, Alex Pothen
:
A Hypergraph Model for the Yeast Protein Complex Network. IPDPS 2004 - [c15]Florin Dobrian, Alex Pothen
:
Oblio: Design and Performance. PARA 2004: 758-767 - [r1]Alex Pothen
, Sivan Toledo:
Elimination Structures in Scientific Computing. Handbook of Data Structures and Applications 2004 - 2002
- [c14]Assefaw Hadish Gebremedhin, Fredrik Manne, Alex Pothen
:
Parallel Distance-k Coloring Algorithms for Numerical Optimization. Euro-Par 2002: 912-921 - 2001
- [j8]David Hysom, Alex Pothen
:
A Scalable Parallel Algorithm for Incomplete Factor Preconditioning. SIAM J. Sci. Comput. 22(6): 2194-2215 (2001) - [c13]Florin Dobrian, Alex Pothen
:
The design of I/O-efficient sparse direct solvers. SC 2001: 39
1990 – 1999
- 1999
- [c12]Florin Dobrian, Alex Pothen:
Object-Oriented Parallel Factorization for Sparse Symmetric Systems. PP 1999 - [c11]David Hysom, Alex Pothen:
Parallel Computation of ILU(k) Preconditioners Without Serial Bottlenecks. PP 1999 - [c10]David Hysom, Alex Pothen
:
Efficient Parallel Computation of ILU(k) Preconditioners. SC 1999: 29 - 1998
- [c9]Gary Kumfert, Alex Pothen
:
An Object-Oriented Collection of Minimum Degree Algorithms. ISCOPE 1998: 95-106 - [c8]Florin Dobrian, Gary Kumfert, Alex Pothen
:
Object-Oriented Design for Sparse Direct Solvers. ISCOPE 1998: 207-214 - 1997
- [j7]Alan George, Alex Pothen
:
An Analysis of Spectral Envelope Reduction via Quadratic Assignment Problems. SIAM J. Matrix Anal. Appl. 18(3): 706-732 (1997) - 1996
- [c7]Ion Stoica, Alex Pothen
:
A robust and flexible microeconomic scheduler for parallel computers. HiPC 1996: 406-412 - 1995
- [j6]Stephen T. Barnard, Alex Pothen
, Horst D. Simon
:
A spectral algorithm for envelope reduction of sparse matrices. Numer. Linear Algebra Appl. 2(4): 317-334 (1995) - [j5]Richard A. Brualdi, Shmuel Friedland, Alex Pothen
:
The Sparse Basis Problem and Multilinear Algebra. SIAM J. Matrix Anal. Appl. 16(1): 1-20 (1995) - [c6]Ion Stoica, Hussein M. Abdel-Wahab, Alex Pothen
:
A Microeconomic Scheduler for Parallel Computers. JSSPP 1995: 200-218 - 1994
- [j4]Nicholas J. Higham
, Alex Pothen
:
Stability of the Partitioned Inverse Method for Parallel Solution of Sparse Triangular Systems. SIAM J. Sci. Comput. 15(1): 139-148 (1994) - 1993
- [j3]Alex Pothen
, Chunguang Sun:
A Mapping Algorithm for Parallel Sparse Cholesky Factorization. SIAM J. Sci. Comput. 14(5): 1253-1257 (1993) - [c5]Stephen T. Barnard, Alex Pothen
, Horst D. Simon
:
A spectral algorithm for envelope reduction of sparse matrices. SC 1993: 493-502 - 1992
- [j2]Alex Pothen
, Fernando L. Alvarado:
A Fast Reordering Algorithm for Parallel Sparse Triangular Solution. SIAM J. Sci. Comput. 13(2): 645-653 (1992) - [c4]Alex Pothen
, Horst D. Simon
, Lie Wang, Stephen T. Barnard:
Towards a Fast Implementation of Spectral Nested Dissection. SC 1992: 42-51 - 1991
- [c3]Alex Pothen, Chunguang Sun:
Distributed Multifrontal Factorization Using Clique Trees. PP 1991: 34-40 - 1990
- [j1]Alex Pothen
, Chin-Ju Fan:
Computing the block triangular form of a sparse matrix. ACM Trans. Math. Softw. 16(4): 303-324 (1990)
1980 – 1989
- 1989
- [c2]Alex Pothen, Horst D. Simon:
Spectral Algorithms for Ordering Sparse Matrices in Parallel. PP 1989: 120-121 - 1988
- [c1]Alex Pothen
, Padma Raghavan:
Distributed orthogonal factorization. C³P 1988: 1610-1620
Coauthor Index

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