Graduate students from our program have been active attending and presenting their research at various conferences, as well as attending training workshops and summer schools. They also participated in lab and industry internships. Below you can find an anti-chronological list of recent activities. See graduate travel support for information how to seek support for your travel.

**Charles Camacho**(talk), Society for the Advancement of Chicanos and Native Americans in STEM (SACNAS) conference, titled "Counting Quasiplatonic Topological Actions of the Cyclic Group on Surfaces and Dessins d'Enfants," October 11-13 2018; funding NSF and Mathematical Sciences Institutes' Diversity Initiative.**Charles Camacho**(talk), Modern Math Workshop in San Antonio, October 10-11 2018; funding NSF.**Naveen Somasunderam**(talk), Equidistribution of sequences on the p-adic unit ball, Department of Mathematics, Washington State University, Vancouver, September 2018; funding Washington State University.**Naveen Somasunderam**(talk), The ABC pedagogy for teaching mathematics, Department of Mathematics, Washington State University, Vancouver, September 2018; funding Washington State University.**Jhih-Jyun Zeng**, Summer Graduate School, at Gran Sasso Science Institute, Italy, Intensive Program on Fluids and Waves, 2018.- ICERM workshop on "Advances in PDEs: Theory, Computation and Application to CFD" August 2018:
**Choah Shin (poster) and Azhar Alhammali (poster)**; funding: ICERM and NSF. **Choah Shin**, graduate internship at PNNL (July-Aug 2018), STOMP group; funding: NSF and PNNL.**Alex Putnam**, Maiden Re; reinsurance company. Graduate Internship (summer 2018).**Naveen Somasunderam**(talk), Great Lakes Mathematical Physics Meeting, "Harmonic analysis on the p-adic unit ball," Institute for Mathematical and Theoretical Physics, Michigan State University, East Lansing, Michigan, June 2018; funding: Michigan State University.**Joe Umhoefer**, 6/18 to 9/18/2018, Graduate Internship at the Lawrence Berkeley National Lab (LBL); funding: LBL.**Lisa Bigler**Summer School in Computational Cardiac Physiology at The University of California San Diego (August 8-17, 2018), the University of Oslo, and Simula Research Laboratory (Oslo, Norway 18-29 June 2018; funding: Simula.**Sebastian Naranjo**, internship at Los Alamos National Lab working on mimetic methods for electromagnetic wave propagation, summer 2018; funding: OSU NRT and Dr. Bokil's grant on mimetic methods.**Sarah Hagen**(talk), Public lecture for Da Vinci Days STEAM Series, "Ancient Greek Astronomy," May 29, 2018.**Michael Allen,**University of Connecticut Summer School in Number Theory, May 28-June 1, 2018; funding: NSF, NSA, Number Theory Foundation, and UConn.**Sebastian Naranjo**, Colorado State University Summer Graduate School, May 21-25 2018, topic is wave propagation in random media; funding: NSF grant and OSU NRT.**Naveen Somasunderam**(talk), Analysis Seminar, "Equidistribution of sequences on the p-adic unit ball," Portland State University, Portland, Oregon, May 2018.**Lisa Bigler**, MSRI summer school on Representation of High Dimensional Data July 9-20, 2018; funding: MSRI.- SIAM Annual 2018, Portland, July 9-13, student participants and presenters:
**Azhar Alhammali**(minisymposium talk "Coupled System for Biofilm / Nutrient Involving a Parabolic Variational Inequality”), funding: SIAM travel award.**Diana Gonzalez**(poster).**Huanqun Jiang**.**Sandeep Koranne**(talk "Dynamical System Stability Analysis for Travelling Wave Propagation in Nonlinear Media").**Will Mayfield**(poster)**. Ricardo Reyes-Grimaldo**.**Choah Shin**(minisymposium talk "Regularization of a Nonlinear Transport Model of Methane Gas with Space-dependent Flux Function, and Numerical Approximation" and poster); funding: SIAM travel award.**Joe Umhoefer**(minisymposium talk "Influence of Changing Pore Scale Geometries on Upscaled Flow and Transport Models", and poster); funding: SIAM student chapter. **Alireza Hosseinkhan, Daniel Erickson, and Naveen Somasunderam**, University of Houston Summer School on Dynamical Systems, May 16-24, 2018; funded by UH NSF grant DMS-1800669.**Choah Shin**9th Annual Scientific Software Days, Apr. 26-27 at the University of Texas at Austin; funding: SSD(talk), Random Trees Conference, CIMAT, Mexico, "Self-Similarity in Level Set Trees of Geometric Random Walks," April 23-27; funding: OSU Mathematics Department and Dr. Kovchegov's NSF grant on Unexpected Correlations in Biological Networks.**Bruno Barbosa****Charles Camacho**(talk), USTARS Conference, "Dessins d'Enfants and Counting Quasiplatonic Surfaces," April 7-8, 2018, funding: Reed College.**Naveen Somasunderam**(talk), Upstate New York Number Theory Conference (SUNY), "A LeVeque type inequality for the distribution of sequences on the p-adic unit ball," Buffalo, New York, April 2018; funding: SUNY, Buffalo, and Oregon State University.**Sarah Hagen**(talk), Public lecture at Corvallis-Benton Library, "More Pi, Please," March 14, 2018.- AMS Western Section Meeting in Portland, April 14-15 attendees:
**Azhar Alhammali (talk), Michael Allen, Allison Arnold-Roksandich (talk), Lisa Bigler, Dionysus Birnbaum, Brady Bowen, Charles Camacho (talk), Zeting Dong, Sally Fletcher, Diana Gonzalez, Eleanor Holland (talk), Huanqun Jiang (talk), Sandeep Koranne, Stephen Krughoff (talk), Martijn Oostrom, Branwen Purdy, Evan Rajbhandari, Zack Reed (talk), Choah Shin (talk), Allly Stacy (talk), Joe Umhoefer (talk), Mesa Walker, and Kevin Zhang.** - Fifth CASCADE RAIN 2018, Portland, OR:
**Azhar Alhammali**(talk) “Numerical Approximation of Coupled System for Biofilm/Nutrient,"**Lisa Bigler, Diana Gonzalez, Alireza Hosseinkhan, Choah Shin, Joseph Umhoefer**(talk) "Finding Permeability Distributions of Randomly Obstructed Pores.” **Charles Camacho**(poster), Latinx in the Mathematical Sciences Conference held at UCLA, 3/8/2018-3/10/2018, funding: NSF and IPAM.**Charles Camacho**, JMM San Diego, 1/10/2018-1/13/2018, talk: Bounding the Tripartite-Circle Crossing Number of the Complete Tripartite Graph; funding: AMS and MRC.**Claire Gibbons**, JMM San Diego, 1/10/2018-1/13/2018, talk: Capturing the Mathematical Content in College Algebra Instruction Through the Lenses of Three Observation Protocols; funding: NSF.**Emerald Stacy**, JMM San Diego, 1/10/2018-1/13/2018, talk: On Small Heights of Abelian Totally p-adic Numbers; funding: OSU Graduate School and Departmental Funding.**Branwen Purdy**, JMM San Diego, 1/10/2018-1/13/2018, talk with Dr. Elise Lockwood: Reinventing the Multiplication Principle; funding: NSF.**Zackery Reed**, JMM San Diego, 1/10/2018-1/13/2018, talk: Motivating Function Spaces via Uniform Convergence; funding: OSU Graduate School and NSF.(poster), SIAM PNW conference in Corvallis, Oregon, "Numerical Solutions of Parabolic Variational Inequalities with Applications," October 17-19, 2017.**Azhar Alhammali****Choah Shin**(poster), SIAM GS conference in Erlangen, Germany, Sep 11-14 2017; funding: College of Science.**Joe Umhoefer**(talk), SIAM GS conference in Erlangen, Germany, "Approaches to Modeling Flow and Transport at Porescale in Changing Geometries," Sep 11-14, 2017; funding: SIAM and College of Science.**Azhar Alhammali**(poster), SIAM GS conference in Erlangen, Germany, Sep 11-14 2017, funding: SIAM and College of Science.**Joe Umhoefer**, SAMSI QMC workshop Aug 28-Sep 1, 2017; funding: SAMSI.**Sarah Hagen**(talk), Public lecture at Oregon State University Space Grant Festival, "Eclipses and the Greeks: A Geometry Story," August 19, 2017.**Will Mayfield**, internship at Pacific Northwest National Laboratory, summer 2017; funding: NRT Fellowship.**Sarah Hagen**(talk), Public lecture at Corvallis-Benton Library "Ancient Greek Methods of Astronomical Measurements," August 1, 2017.**Diana Gonzalez**and**Joseph Umhoefer**, 10 week summer internship 6/15/17-8/15/17 at Lawrence Berkeley National Lab (Applied Numerical Algorithms group). Funding: LBNL and NSF.**Emerald Stacy**(talk), MathFest 2017, Chicago, 7/26/17-7/29/17; funding: OSU President's Commission on the Status of Women.**Allison Arnold-Roksandich**, MSRI Summer Graduate School: Automorphic Forms and the Langlands Program, MSRI, 7/24/17-8/4/17; funding: MSRI.**Jhih-Jyun Zeng**, MSRI Summer Graduate School: Nonlinear dispersive PDE, quantum many particle systems and the world between, Cortona, Italy, 7/17/17-7/28/17; funding: MSRI.**Claire Gibbons**(talk), Mathfest in the session: Teaching and Learning Introductory Mathematics, "Examining in the Variation of Mathematical Content Presented during College Algebra Instruction," July, 2017.**Stephen Krughoff**, MSRI Summer Graduate School: Positivity Questions in Geometric Combinatorics, MSRI, 7/10/17-7/21/17; funding: MSRI.**Charles Camacho**, AMS MRC Beyond Planarity: Crossing Numbers of Graphs, Sandy, UT, 6/11/17-6/17/17.**Sarah Hagen**, USC Summer School in Mathematical Fluids, Los Angeles, 5/22/17-5/26/17.**Samantha Smith**, 2017 Program for Women and Mathematics, Geometry and Randomness in Group Theory, Princeton, 5/15/17-5/26/17; funding: IAS.- Modular Forms are Everywhere Summer School, Max Planck Institute for Mathematics, Bonn, 5/15/17-5/19/17,
**Allison Arnold-Roksandich, Jetjaroen Klangwang**; funding: Modular Forms are Everywhere (European Research Council, Max Planck Institute for Mathematics). **Mat Titus**, Southeastern Probability Conference (SEPC), Duke University, 5/15/17-5/17/17; funding: SEPC.**Joe Umhoefer**, 8th Annual Scientific Software Days, Apr. 27-28 at the University of Texas at Austin; funding: SSD**Azhar Alhammali (poster) and Choah Sin**, AMS Western Section Meeting, Pullman, WA, April 22-23, 2017**Emerald Stacy (poster)**, AWM Research Symposium, Los Angeles, 4/8/17-4/9/17.**Joe Umhoefer**, Cascade RAIN (talk), Simon Fraser University, 4/8/17; funding: SIAM Pacific Northwest Section.**Kirk McDermott**, G^3: Geometric Groups on the Gulf Coast, 3/22/17-3/26/17; funding: G^3.**Huanqun Jiang**, Seminar on Stochastic Processes, Charlottesville, VA, 3/8/17-3/11/17.- 31st Automorphic Forms Workshop, East Tennessee State University, 3/6/17-3/9/17,
**Ali Al-Saedi (talk), Allison Arnold-Roksandich (talk), Thomas Morrill (talk)**; funding: Automorphic Forms Workshop (NSF, NSA). - Pacific Northwest Geometry Seminar, Portland, 3/4/17-3/5/17,
**Zheting Dong, Stephen Krughoff**. - SIAM Computational Science and Engineering Conference, Atlanta, 2/26/17-3/3/17,
**Diana Gonzalez, Choah Shin**; funding: Sustainable Horizons Institute. - SIGMAA on RUME 2017 Conference, San Diego, 2/23/17-2/25/17,
**Lida Bentz, Sarah Erickson (talk, poster), Claire Gibbons (poster), Michael Lopez, Samantha McGee (poster), Zackery Reed (talk), Branwen Schaub (talk)**. **Zackery Reed**, JMM, Atlanta, 1/5/17-1/7/17, talks: "Student Generalizations from Finite to Infinite Dimensional Normed Spaces" and "The Password Activity: An Instructional Tool for the Combinatorics Classroom"; funding: OSU Graduate School.**Thomas Morrill**, JMM, Atlanta, 1/5/17-1/7/17.**Sarah Erickson**, JMM, Atlanta, 1/5/17-1/7/17.**Puttha Sakkaplangkul**, IMA Workshop on Mathematical and Numerical Modeling in Optics, Minneapolis, 12/12/16-12/16/16; funding: IMA.- PNWNAS 2016, Richland, WA,
**Azhar Alhammali, Brady Bowen, Dallas Foster, Diana Gonzalez, Andrew Jensen, Darren Marotta, Sebastián Naranjo, Ricardo Reyes Grimaldo, Puttha Sakkaplangkul (poster), Joe Umhoefer (poster)**; funding: OSU Mathematics. **Emerald Stacy (talk)**, American Mathematical Association of Two-Year Colleges Conference, Denver, 11/17/16-11/20/16.**Claire Gibbons (talk, poster)**, Psychology of Mathematics Education North America Conference, Tucson, 11/3/16-11/6/16.**Puttha Sakkaplangkul**, IMA Workshop on Mathematical and Physical Models of Nonlinear Optics, Minneapolis, 10/31/16-11/4/16; funding: IMA.**Brandon Edwards**, AMS Special session, Minneapolis, 10/28/16-10/30/16.**Charles Camacho**, Western Algebraic Geometry Symposium, Fort Collins, CO, 10/15/16-10/16/16.**Ali Al-Saedi**, Integers Conference, University of West Georgia, 10/6/16-10/9/16, talk: "Periodicity and Plane Partition Congruences"; funding: Integers Conference (NSF).**Kirana Bergstrom**, internship at Los Alamos National Lab, summer 2016; funding: LANL.**Allison Arnold-Roksandich**, Connecticut Summer School in Number Theory, 8/8/16-8/14/16.**Puttha Sakkaplangkul (poster)**, SIAM Conference on Nonlinear Waves and Coherent Structures, Philadelphia, 8/8/16-8/11/16.**Brandon Edwards**, Intel data science internship, 2016.**Charles Camacho**, MSRI Summer School: Chip Firing and Tropical Curves, Berkeley, 7/25/16-8/5/16.**Joe Umhoefer**, MSRI Summer School: Electronic Structure Theory, Berkeley, 7/18/16-7/29/16.**Allison Arnold-Roksandich**, Building Bridges: 3rd EU/US Summer School & Workshop on Automorphic Forms, Sarajevo, 7/11/16-7/22/16.**Puttha Sakkaplangkul (talk, poster)**, SIAM Annual Meeting, Boston, 7/11/16-7/14/16; funding: SIAM.**Dwight Holland**, MSRI Summer School: Harmonic Analysis and Elliptic Equations on real Euclidean Spaces and on Rough Sets, Berkeley, 6/13/16-6/24/16.**Stephen Krughoff**, Fields Institute Workshop on Group Actions - Classical and Derived, Toronto, 6/13/16-6/17/16.**Ally Stacey**, Topology Students Workshop, Atlanta, 6/6/16-6/10/16; funding: NSF, OSU Graduate School.**Emerald Stacy**, UNCG Summer School in Computational Number Theory on Function Fields, Greensboro, 5/30/16-6/3/16; funding: UNCG.**Will Mayfield**, Gene Golub SIAM Summer School, Philadelphia, 5/29/16-6/9/16; funding: SIAM.Gene Golub SIAM Summer School, Philadelphia, 5/29/16-6/9/16; funding: SIAM.**Puttha Sakkaplangkul**,**Huanqun Jiang**, Gene Golub SIAM Summer School, Philadelphia, 5/29/16-6/9/16; funding: SIAM., American Mathematical Society Spring Western Sectional Meeting, Salt Lake City, 4/9/16-4/10/16; funding: OSU Graduate School.**Hieu Do**- Naveen Somasunderam, Houston Summer School on Dynamical, University of Houston, Texas, May 16-24, 2018; funding: University of Houston.
- CASCADE 2016, Vancouver, WA:
**Azhar Alhammali, Timothy Costa, Dwight Holland, Duncan McGregor (talk), Puttha Sakkaplangkul (talk), Joseph Umhoefer (talk).** **Sarah Erickson**, RUME Conference, Pittsburgh, 2/25/17-2/27/16.**Zackery Reed**, RUME Conference, Pittsburgh, 2/25/17-2/27/16.**Mat Titus**, JMM, Seattle, 1/7/16, invited talk: Mixing Times for Markov Chains on Lattices via Weak Limits, funding: OSU Graduate School.- JMM 2016, Seattle:
**Jason McClelland, Hooman Zabeti**. **Puttha Sakkaplangkul**, Pacific Northwest Numerical Analysis Seminar, Bellingham, 10/17/15.**Puttha Sakkaplangkul**, 2015 Industrial Math/Stat Modeling Workshop for Graduate Students, NCSU, 7/12/15-7/22/15; funding: SAMSI.**Brandon Edwards**, CIRM Dynamics and Geometry in the Teichmüller Space, Luminy, France, 7/6/15-7/10/15.**Tim Costa**, SIAM Conference on Mathematical and Computational Issues in the Geosciences, Stanford, 6/29/15-7/2/15.Mixing Times for Markov Chains on Lattices via Weak Limits. - See more at: http://jointmathematicsmeetings.org/meetings/national/jmm2016/2181_progf...Mixing Times for Markov Chains on Lattices via Weak Limits. - See more at: http://jointmathematicsmeetings.org/meetings/national/jmm2016/2181_progf...Mixing Times for Markov Chains on Lattices via Weak Limits. - See more at: http://jointmathematicsmeetings.org/meetings/national/jmm2016/2181_progf...

**Forrest Parker**, MSRI Summer School: Geometric Group Theory, Berkeley, 6/15/15-6/26/15.**Hieu Do**, Moduli Crossroads Retreat, Madison, 6/8/15-6/12/15.**Brandon Edwards**, Moduli Crossroads Retreat, Madison, 6/8/15-6/12/15.- CASCADE 2015, Portland, OR, 4/4/15:
**Timothy Costa (talk), Duncan McGregor (talk), Puttha Sakkaplangkul (talk), Joseph Umhoefer.** **Duncan McGregor**, SIAM Conference on Computational Science and Engineering, Salt Lake City, 3/14/15-3/18/15.**Puttha Sakkaplangkul**, SIAM Conference on Computational Science and Engineering, Salt Lake City, 3/14/15-3/18/15.**Joseph Umhoefer**, Graduate research fellow with DOE NETL ORISE Fellowship 2014.**Joseph Umhoefer**, NETL internship Summer 2014.- CASCADE 2014, Corvallis, 4/5/14:
**Timothy Costa (talk), Duncan McGregor (talk), Patricia Medina (talk), Adriana Mendoza, Natasha McClellan, Puttha Sakkaplangkul, Joseph Umhoefer.** - PNWNAS 2014, Portland, OR:
**Duncan McGregor (poster), Tim Costa, Puttha Sakkaplangkul.** **Tim Costa**, International Conference on Vector and Parallel Computing VECPAR 2014 (invited oral presentation), Eugene, 6/30/14-7/3/14.**Tim Costa**, IMA Workshop on Careers in Industry, April 2014; funding: IMA.**Tim Costa**, Mathematical Modeling Workshop (PIMS-IMA), August 2014; funding: SIAM.**F. Patricia Medina**, IMA Workshop on Careers in Industry, April 2014; funding: IMA.**Tim Costa**, SIAM Annual Meeting (minisymposium presentation), Chicago, 7/6/14-7/7/14; funding: SIAM.**Tim Costa**, World Congress Computational Mechanics-ECCM-ECFD 2014 Congress, Barcelona (minisymposium presentation); funding: COS.**Tim Costa**, Internship at Sandia National Laboratories as an Intern in Multiscale Science project (summer 2015). Year-long part-time intern at Sandia 2015-16.**Duncan McGregor**, Internship at Los Alamos lab, 2013-14, 2014-2015.**Duncan McGregor**, Internship at DOE NETL Albany, 2014-2016.**F. Patricia Medina**, PNWNAS 2013 (invited talk).**Tim Costa**, SIAM Annual 2013 (poster); funding: SIAM.**F. Patricia Medina**, SIAM Geosciences 2013 (poster and contributed talk); funding: SIAM.**F. Patricia Medina**, SIAM Annual 2012 (poster); funding: SIAM.