**Talks**

- Spatio-temporal Persistent Homology of Time-evolving Metric Data
**Brown-bag seminar at CMSE, Michigan State (April 2019).** - Topological data analysis of time-varying metric data,
**GL-SIAM 2019 at U of Michigan (April 2019).** - Rank of a Diagram and its Application in Topological Data Analysis,
**MGSA at OSU****(April 2019).** - Rank Invariant and Generalized Persistence Diagrams for Zigzag persistence
**TDA group meeting at U or Florida (March 2019).** - Persistent homology for time-evolving metric/network data
**Topology seminar at Florida State****(March 2019).** - Multiparameter Persistent Homology for Time-Varying Metric Data,
**Topology, Geometry, and Applications – Graduate Students Seminar (TAGGS) at OSU (February 2019).** - Rank for arbitrary diagrams,
**Topology, Geometry, and Applications – Graduate Students Seminar (TAGGS) at OSU (November 2018).** - Formigrams: Clustering Summaries of Dynamic Data,
**CCCG: The Canadian Conference on Computational Geometry****2018 (August 2018).** - Stable Signatures for Dynamic Metric Spaces via Zigzag Persistent Homology:
**Joint Mathematics Sectional Meetings (March 2018).** - Topological and geometric ideas in Data Analysis
**(July 2016)**, Dept of Math Education, Seoul National University. - I have delievered more than 30 talks about various topics in topological data analysis, networks, optimal transport, probability, and differential/metric geometry in Facundo’s group meeting or course work: (1) https://research.math.osu.edu/networks/etc/group-meetings.html (2) https://people.math.osu.edu/memoli.2/amgts.html

(3) https://people.math.osu.edu/memoli.2/aatrg-au-2015.html

(4) https://people.math.osu.edu/memoli.2/courses/cse-topics-2018/

(5) https://people.math.osu.edu/memoli.2/courses/math-6702-2016/

## Poster presentations

- Persistent homology for dynamic metric spaces The 1st Midwest Student Conference GTDAML
**(June 2019).** - Persistent homology for dynamic metric spaces TGDA@OSU: Structure in the micro-world
**(May 2019).** - Persistent homology for dynamic metric spaces
**Geometric data analysis at U of Chicago (May 2019).** - Rank invariant for zigzag modules,
**Workshop on Applied Topology at Kyoto Univ (January 2019).**

**Service**

- Sub-reviewer: SoCG
- Co-organizer of The 1st Midwest Student Conference GTDAML2019
**.**

**Conferences/Workshops attended**

The list below does not repeat items from the above list of talks/posters.

- (Tentative) Joint Mathematics Meeting at Denver (January 2020)
- Applied mathematical modeling with topological techniques (August 2019)
- Ohio TDA day at Wright State Univ (July 2019)
- Joint Mathematics Meetings at Baltimore (January 2019)
- Modeling and analysis of dynamic social networks at the Ohio State Univ (November 2018)
- Tutorial on Multiparameter Persistence, Computation, and Applications at U of Minnesota (August 2018)
- Theory and Foundations of TGDA at the Ohio State Univ (May 2018)
- Joint Mathematics Meetings at San Diego (January 2018)
- Applied and Computational Algebraic Topology at Hausdorff Reseach Institute for Mathematics (April 2017)
- Dynamics and Geometry from High Dimensional Data at Carnegie Mellon Univ (March 2017)
- TGDA@OSU at the Ohio State Univ (May 2016)