-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathresearch.html
More file actions
417 lines (394 loc) · 23.9 KB
/
research.html
File metadata and controls
417 lines (394 loc) · 23.9 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Research - Arindam Fadikar</title>
<!-- Bootstrap 5 CSS -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
<!-- Bootstrap Icons -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.1/font/bootstrap-icons.css">
<!-- Custom CSS -->
<link rel="stylesheet" href="css/custom.css?v=20260213b">
</head>
<body class="has-sidebar">
<!-- Navigation -->
<nav class="navbar navbar-expand-lg navbar-dark bg-primary sticky-top">
<div class="container-fluid">
<a class="navbar-brand" href="index.html">Fadikar's Homepage</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav"
aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNav">
<ul class="navbar-nav ms-auto">
<li class="nav-item">
<a class="nav-link" href="index.html">Home</a>
</li>
<li class="nav-item">
<a class="nav-link active" href="research.html">Research</a>
</li>
<li class="nav-item">
<a class="nav-link" href="software.html">Software</a>
</li>
<li class="nav-item">
<a class="nav-link" href="cv.html">CV</a>
</li>
<li class="nav-item">
<a class="nav-link" href="talks.html">Talks</a>
</li>
<li class="nav-item">
<a class="nav-link" href="useful-links.html">Useful Links</a>
</li>
<li class="nav-item">
<a class="nav-link" href="outdoor.html">Outdoor</a>
</li>
<li class="nav-item ms-lg-2">
<button id="theme-toggle" class="theme-toggle" aria-label="Toggle theme">
<i class="bi bi-moon-stars-fill"></i>
</button>
</li>
</ul>
</div>
</div>
</nav>
<!-- Main Content -->
<div class="container-fluid">
<div class="row">
<aside class="col-lg-2 col-md-3 sidebar-left">
<div class="sidebar-content sticky-top">
<div class="text-center mb-4">
<a href="index.html" aria-label="Home"><img src="images/profile/headshot.jpg" alt="Arindam Fadikar" class="profile-img rounded-circle img-fluid"></a>
</div>
<div class="text-center mb-4">
<h4 class="name">Arindam Fadikar</h4>
<p class="title text-muted">Assistant Computational Statistician</p>
<p class="affiliation"><a href="https://www.anl.gov/dis" target="_blank" rel="noopener noreferrer">Decision and Infrastructure Sciences Division</a></p>
<p class="affiliation">Argonne National Laboratory</p>
</div>
<div class="social-links">
<div class="d-flex flex-wrap gap-2">
<a href="mailto:afadikar@anl.gov" class="btn btn-outline-primary btn-sm" aria-label="Email" title="Email"><i class="bi bi-envelope-fill"></i></a>
<a href="https://github.com/fadikar" class="btn btn-outline-primary btn-sm" target="_blank" aria-label="GitHub" title="GitHub"><i class="bi bi-github"></i></a>
<a href="https://www.linkedin.com/in/arindam-fadikar/" class="btn btn-outline-primary btn-sm" target="_blank" aria-label="LinkedIn" title="LinkedIn"><i class="bi bi-linkedin"></i></a>
<a href="https://scholar.google.com/citations?user=yourID" class="btn btn-outline-primary btn-sm" target="_blank" aria-label="Google Scholar" title="Google Scholar"><i class="bi bi-mortarboard-fill"></i></a>
<a href="https://orcid.org/0000-0001-7396-0350" class="btn btn-outline-primary btn-sm" target="_blank" aria-label="ORCID" title="ORCID"><i class="bi bi-person-badge"></i></a>
<a href="https://www.strava.com/athletes/21119365" class="btn btn-outline-primary btn-sm" target="_blank" rel="noopener noreferrer" aria-label="Strava" title="Strava"><i class="bi bi-bicycle"></i></a>
</div>
</div>
</div>
</aside>
<main class="col-lg-10 col-md-9 main-content">
<h1 class="section-heading">Research</h1>
<div class="row mb-5">
<div class="col-12">
<p class="lead">
My research focuses on developing statistical and computational methods for complex scientific problems,
with emphasis on uncertainty quantification, calibration, and scalable inference.
</p>
</div>
</div>
<!-- Research Project 1 -->
<section class="research-project-section mb-5">
<div class="row mb-4">
<div class="col-12">
<h2 class="project-title">Calibration and UQ</h2>
<div class="mb-3">
<span class="badge bg-primary me-1">Bayesian methods</span>
<span class="badge bg-primary me-1">Gaussian process</span>
<span class="badge bg-primary">Stochastic simulation</span>
</div>
<p class="project-description">
Developing scalable methods for calibrating complex epidemiologic models and quantifying prediction uncertainty.
This work combines Gaussian processes, Bayesian inference, and high-performance computing to enable
efficient exploration of parameter spaces.
</p>
</div>
</div>
<!-- Papers for Project 1 -->
<h5 class="publications-header">Related Publications</h5>
<div class="row g-4">
<div class="col-xl-3 col-lg-4 col-md-6">
<div class="card paper-card h-100 shadow-sm">
<img src="images/papers/all_combined_660_800_cropped.png" class="card-img-top" alt="Adaptive Grid-Based Thompson Sampling paper">
<div class="card-body">
<h6 class="card-title">Adaptive Grid-Based Thompson Sampling for Efficient Trajectory Discovery</h6>
<p class="text-muted small mb-2">
<strong>Authors:</strong> Fadikar, A., Stevens, A., Binois, M., Collier, N., Ozik, J.
</p>
<p class="text-muted small mb-3">
<em>arXiv preprint</em>, 2025
</p>
<div class="mt-3">
<a href="papers/adaptiveTS.html" class="btn btn-primary btn-sm">Read More</a>
<a href="https://doi.org/10.48550/arXiv.2510.18099" class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer">
<i class="bi bi-box-arrow-up-right"></i> DOI
</a>
</div>
</div>
</div>
</div>
<div class="col-xl-3 col-lg-4 col-md-6">
<div class="card paper-card h-100 shadow-sm">
<img src="images/papers/gp.svg" class="card-img-top" alt="Gearing Gaussian process modeling paper">
<div class="card-body">
<h6 class="card-title">Gearing Gaussian process modeling and sequential design towards stochastic simulators</h6>
<p class="text-muted small mb-2">
<strong>Authors:</strong> Binois, M., Fadikar, A., Stevens, A.
</p>
<p class="text-muted small mb-3">
<em>arXiv preprint</em>, 2024
</p>
<div class="mt-3">
<a href="papers/gpstoch.html" class="btn btn-primary btn-sm">Read More</a>
<a href="https://arxiv.org/abs/2412.07306" class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer">
<i class="bi bi-box-arrow-up-right"></i> arXiv
</a>
</div>
</div>
</div>
</div>
<div class="col-xl-3 col-lg-4 col-md-6">
<div class="card paper-card h-100 shadow-sm">
<img src="images/papers/towards.png" class="card-img-top" alt="Towards improved uncertainty quantification paper">
<div class="card-body">
<h6 class="card-title">Towards Improved Uncertainty Quantification of Stochastic Epidemic Models Using Sequential Monte Carlo</h6>
<p class="text-muted small mb-2">
<strong>Authors:</strong> Fadikar, A., Stevens, A., Collier, N., et al.
</p>
<p class="text-muted small mb-3">
<em>IEEE IPDPSW</em>, 2024
</p>
<div class="mt-3">
<a href="papers/towardsuq.html" class="btn btn-primary btn-sm">Read More</a>
<a href="https://doi.org/10.1109/IPDPSW63119.2024.00151" class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer">
<i class="bi bi-box-arrow-up-right"></i> DOI
</a>
</div>
</div>
</div>
</div>
<div class="col-xl-3 col-lg-4 col-md-6">
<div class="card paper-card h-100 shadow-sm">
<img src="images/papers/too.svg" class="card-img-top" alt="Trajectory-oriented optimization paper">
<div class="card-body">
<h6 class="card-title">Trajectory-Oriented Optimization of Stochastic Epidemiological Models</h6>
<p class="text-muted small mb-2">
<strong>Authors:</strong> Fadikar, A., Collier, N., Stevens, A., Ozik, J., et al.
</p>
<p class="text-muted small mb-3">
<em>Winter Simulation Conference (WSC)</em>, 2023
</p>
<div class="mt-3">
<a href="papers/too.html" class="btn btn-primary btn-sm">Read More</a>
<a href="https://doi.org/10.1109/WSC60868.2023.10408258" class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer">
<i class="bi bi-box-arrow-up-right"></i> DOI
</a>
</div>
</div>
</div>
</div>
<div class="col-xl-3 col-lg-4 col-md-6">
<div class="card paper-card h-100 shadow-sm">
<img src="images/papers/pcgp.svg" class="card-img-top" alt="Quantile-based emulation paper">
<div class="card-body">
<h6 class="card-title">Calibrating a Stochastic, Agent-Based Model Using Quantile-Based Emulation</h6>
<p class="text-muted small mb-2">
<strong>Authors:</strong> Fadikar, A., Higdon, D., Chen, J., Lewis, B., Venkatramanan, S., Marathe, M.
</p>
<p class="text-muted small mb-3">
<em>SIAM/ASA Journal on Uncertainty Quantification</em>, 2018
</p>
<div class="mt-3">
<a href="papers/qbemulation.html" class="btn btn-primary btn-sm">Read More</a>
<a href="https://doi.org/10.1137/17M1161233" class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer">
<i class="bi bi-box-arrow-up-right"></i> DOI
</a>
</div>
</div>
</div>
</div>
</div>
</section>
<hr class="my-5">
<!-- Research Project 2 -->
<section class="research-project-section mb-5">
<div class="row mb-4">
<div class="col-12">
<h2 class="project-title">Biostatistics</h2>
<div class="mb-3">
<span class="badge bg-primary me-1">Biostatistics</span>
<span class="badge bg-primary me-1">Epigenomics</span>
<span class="badge bg-primary">RNA-Seq</span>
</div>
<p class="project-description">
Statistical methods for high-dimensional omics data, including region-based DNA methylation
analysis and robust differential expression inference under heteroscedasticity. This work
emphasizes reproducibility, error control, and biologically meaningful discovery.
</p>
</div>
</div>
<!-- Papers for Project 2 -->
<h5 class="publications-header">Related Publications</h5>
<div class="row g-4">
<div class="col-xl-3 col-lg-4 col-md-6">
<div class="card paper-card h-100 shadow-sm">
<img src="images/papers/paper3.jpg" class="card-img-top" alt="ReMeDy paper">
<div class="card-body">
<h6 class="card-title">ReMeDy: A Flexible Statistical Framework For Region-based Detection of DNA Methylation Dysregulation</h6>
<p class="text-muted small mb-2">
<strong>Authors:</strong> Chatterjee, S., Meshram, S., Arunkumar, G., Tekola-Ayele, F., Fadikar, A.
</p>
<p class="text-muted small mb-3">
<em>bioRxiv preprint</em>, 2026
</p>
<div class="mt-3">
<a href="papers/remedy.html" class="btn btn-primary btn-sm">Read More</a>
<a href="https://doi.org/10.64898/2026.01.02.697394" class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer">
<i class="bi bi-box-arrow-up-right"></i> DOI
</a>
</div>
</div>
</div>
</div>
<div class="col-xl-3 col-lg-4 col-md-6">
<div class="card paper-card h-100 shadow-sm">
<img src="images/papers/sacoma.png" class="card-img-top" alt="SACOMA paper">
<div class="card-body">
<h6 class="card-title">A spatially-aware unsupervised pipeline to identify co-methylation regions in DNA methylation data</h6>
<p class="text-muted small mb-2">
<strong>Authors:</strong> Meshram, S., Fadikar, A., Arunkumar, G., Chatterjee, S.
</p>
<p class="text-muted small mb-3">
<em>bioRxiv preprint</em>, 2025
</p>
<div class="mt-3">
<a href="papers/sacoma.html" class="btn btn-primary btn-sm">Read More</a>
<a href="https://doi.org/10.1101/2025.11.13.688356" class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer">
<i class="bi bi-box-arrow-up-right"></i> DOI
</a>
</div>
</div>
</div>
</div>
<div class="col-xl-3 col-lg-4 col-md-6">
<div class="card paper-card h-100 shadow-sm">
<img src="images/papers/paper1.jpg" class="card-img-top" alt="Robseq paper">
<div class="card-body">
<h6 class="card-title">Group Heteroscedasticity - A Silent Saboteur of Power and False Discovery in RNA-Seq Differential Expression</h6>
<p class="text-muted small mb-2">
<strong>Authors:</strong> Chatterjee, S., Fadikar, A., Hanumesh, V., et al.
</p>
<p class="text-muted small mb-3">
<em>bioRxiv preprint</em>, 2024
</p>
<div class="mt-3">
<a href="papers/robseq.html" class="btn btn-primary btn-sm">Read More</a>
<a href="https://doi.org/10.1101/2024.04.01.587633" class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer">
<i class="bi bi-box-arrow-up-right"></i> DOI
</a>
</div>
</div>
</div>
</div>
</div>
</section>
<hr class="my-5">
<!-- Research Project 3 -->
<section class="research-project-section mb-5">
<div class="row mb-4">
<div class="col-12">
<h2 class="project-title">Workflows</h2>
<div class="mb-3">
<span class="badge bg-primary me-1">HPC</span>
<span class="badge bg-primary me-1">Workflow Systems</span>
<span class="badge bg-primary">Epidemic Modeling</span>
</div>
<p class="project-description">
Building scalable workflow infrastructures for distributed model exploration, robust epidemic
analysis, and reproducible scientific computing on heterogeneous high-performance platforms.
</p>
</div>
</div>
<!-- Papers for Project 3 -->
<h5 class="publications-header">Related Publications</h5>
<div class="row g-4">
<div class="col-xl-3 col-lg-4 col-md-6">
<div class="card paper-card h-100 shadow-sm">
<img src="images/papers/aero.png" class="card-img-top" alt="AERO paper">
<div class="card-body">
<h6 class="card-title">Automation and Collaboration in Complex Epidemiological Workflows with OSPREY</h6>
<p class="text-muted small mb-2">
<strong>Authors:</strong> Ozik, J., Collier, N., Fadikar, A., Wozniak, J., et al.
</p>
<p class="text-muted small mb-3">
<em>ICPP Workshops</em>, 2025
</p>
<div class="mt-3">
<a href="papers/aero.html" class="btn btn-primary btn-sm">Read More</a>
<a href="https://doi.org/10.1145/3750720.3757294" class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer">
<i class="bi bi-box-arrow-up-right"></i> DOI
</a>
</div>
</div>
</div>
</div>
<div class="col-xl-3 col-lg-4 col-md-6">
<div class="card paper-card h-100 shadow-sm">
<img src="images/papers/emews.png" class="card-img-top" alt="EMEWS paper">
<div class="card-body">
<h6 class="card-title">Distributed Model Exploration with EMEWS</h6>
<p class="text-muted small mb-2">
<strong>Authors:</strong> Collier, N., Wozniak, J. M., Fadikar, A., Stevens, A., Ozik, J.
</p>
<p class="text-muted small mb-3">
<em>Winter Simulation Conference (WSC)</em>, 2024
</p>
<div class="mt-3">
<a href="papers/emews.html" class="btn btn-primary btn-sm">Read More</a>
<a href="https://doi.org/10.1109/WSC63780.2024.10838848" class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer">
<i class="bi bi-box-arrow-up-right"></i> DOI
</a>
</div>
</div>
</div>
</div>
<div class="col-xl-3 col-lg-4 col-md-6">
<div class="card paper-card h-100 shadow-sm">
<img src="images/papers/workflow.svg" class="card-img-top" alt="OSPREY platform paper">
<div class="card-body">
<h6 class="card-title">Developing Distributed High-performance Computing Capabilities of an Open Science Platform for Robust Epidemic Analysis</h6>
<p class="text-muted small mb-2">
<strong>Authors:</strong> Collier, N., Wozniak, J. M., Stevens, A., Babuji, Y., Binois, M., Fadikar, A., et al.
</p>
<p class="text-muted small mb-3">
<em>IEEE IPDPSW</em>, 2023
</p>
<div class="mt-3">
<a href="papers/osprey.html" class="btn btn-primary btn-sm">Read More</a>
<a href="https://doi.org/10.1109/IPDPSW59300.2023.00143" class="btn btn-outline-secondary btn-sm" target="_blank" rel="noopener noreferrer">
<i class="bi bi-box-arrow-up-right"></i> DOI
</a>
</div>
</div>
</div>
</div>
</div>
</section>
</main>
</div>
</div>
<!-- Footer -->
<footer class="footer mt-5 py-4 bg-light">
<div class="container text-center">
<p class="text-muted mb-0">
© 2026 Arindam Fadikar. All rights reserved.
</p>
</div>
</footer>
<!-- Bootstrap 5 JS Bundle -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
<!-- Theme Toggle JS -->
<script src="js/theme-toggle.js"></script>
</body>
</html>