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- ACMS Colloquia
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## Event Calendar

### Quick Look: Upcoming Events

- Tue Mar 27, 2018 : Ph.D. Defense: Claire Bowen
- : ACMS Statistics Seminar: Kyoungjae Lee
- : An Introduction to Medical Reinsurance
- Tue Apr 3, 2018 : Gun Violence: Actuarial Analysis & Mathematical Modeling
- Fri Apr 6, 2018 : Charles Edison Lecture Series: Michael Stein, Department of Statistics, University of Chicago
- Fri Apr 13, 2018 : ACMS Colloquium: Jian Kang, Department of Biostatistics, University of Michigan
- Mon Apr 16, 2018 : ACMS Colloquium: Sebastian Kurtek, Department of Statistics, Ohio State University
- : 2018 ACMS Recent Alumni Panel and Meet the new Actuarial Director
- Wed Apr 18, 2018 : John A. Lynch Lecture Series: David Dunson, Department of Arts & Sciences, Duke University
- Thu Apr 19, 2018 : ACMS Applied Math Seminar: Kresimir Josic

## Tue Mar 27, 2018

## Ph.D. Defense: Claire Bowen

###
12:45 PM - 2:30 PM

154 Hurley Hall

Doctoral candidate, Claire Bowen, will defend her dissertation, Tuesday, March 27, 2017, at 12:45 PM in 154 Hurley Hall.

The beginning portion is open to the public.

*Title: Data Privacy via Integration of Differential Privacy and Data Synthesis*

Adviser: Fang Liu

Examination Committee: Ick Hoon Jin, Lizhen Lin…

### Posted In: PhD Defense

## ACMS Statistics Seminar: Kyoungjae Lee

###
3:30 PM - 4:30 PM

154 Hurley Hall

**Kyoungjae Lee**

University of Notre Dame

**3:30 PM**

**154 Hurley Hall**

**Minimax Posterior Convergence Rates and Model Selection Consistency in High-dimensional DAG Models based on Sparse Cholesky Factors**

In this talk, we will discuss the high-dimensional sparse directed acyclic graph (DAG) models under the sparse Cholesky prior. Among our results, strong model selection consistency or graph selection consistency is obtained under more general conditions than those in the existing literature. Compared to existing literature, the required conditions are weakened in terms of the dimensionality, sparsity and lower bound of the nonzero elements in the Cholesky factor. Furthermore, our result does not require the irrepresentable condition, which is necessary for Lasso type methods. We also derive the posterior convergence rates for precision matrices and Cholesky factors with respect to various matrix norms. The obtained posterior convergence rates are the fastest among those of the existing Bayesian approaches. In particular, we prove that our posterior convergence rates of Cholesky factors are the minimax or at least nearly minimax depending on the relative size of true sparseness for the entire dimension. The simulation study confirms that the proposed method outperforms the competing methods.…

### Posted In: Statistics Seminar

## An Introduction to Medical Reinsurance

###
5:30 PM - 6:30 PM

118 DeBartolo

### March 27, 2018

5:30 pm

118 Hayes-Healy

#### Larry Jackson, FSA, MAAA, CPCU

VP, Lead Reinsurance Underwriter; Summit Reinsurance Services, Inc.

Larry rejoined Summit Reinsurance in 2014 following a five-year hiatus during which time he served as chief actuary for Brotherhood Mutual Ins. Co. which provides property and liability coverage to churches and related ministries. Prior to Brotherhood Mutual, he was Summit Reinsurance’s director of underwriting. He also spent seventeen years at Lincoln National Reinsurance Companies in a variety of positions. Larry holds a bachelor of science degree in mathematics from Huntington College, a master of arts in actuarial science from Ball State University, and a master of business administration from Taylor University.…

### Posted In: Delahanty Foundation Speaker Series (fka Ask the Actuaries)

## Tue Apr 3, 2018

## Gun Violence: Actuarial Analysis & Mathematical Modeling

###
5:30 PM - 6:30 PM

117 Hayes-Healy

### April 3 2018

5:30 pm

117 Hayes-Healy

#### Kristen Moore, PhD.

Associate of the Society of Actuaries (ASA)

Kristen Moore is an Associate Professor of Mathematics and is the Associate Chair for Education in the Mathematics Department at the University of Michigan. She holds a BS in Mathematics from Bucknell University and an MS and Ph.D. in Mathematics from the University of Connecticut. She also passed the series of professional examinations that lead to the Associate of the Society of Actuaries (ASA) designation.…

### Posted In: Delahanty Foundation Speaker Series (fka Ask the Actuaries)

## Fri Apr 6, 2018

## Charles Edison Lecture Series: Michael Stein, Department of Statistics, University of Chicago

###
4:00 PM - 5:00 PM

107 Carey Auditorium

Michael Stein, Department of Statistics, University of Chicago, will give a Charles Edison Lecture titled, "Climate Model Emulation and Future Climate Simulation" at 4:00 PM in 107 Carey Auditorium.

### Posted In: ACMS Colloquia

## Fri Apr 13, 2018

## ACMS Colloquium: Jian Kang, Department of Biostatistics, University of Michigan

###
4:15 PM - 5:15 PM

127 Hayes-Healy Center

Jian Kang, Department of Biostatistics, University of Michigan, will give a colloquium titled, "TBA" at 4:15 PM in 127 Hayes-Healy Center.

### Posted In: ACMS Colloquia

## Mon Apr 16, 2018

## ACMS Colloquium: Sebastian Kurtek, Department of Statistics, Ohio State University

###
4:15 PM - 5:15 PM

117 Hayes-Healy Center

Sebastian Kurtek, Department of Statistics, Ohio State University, will give a colloquium titled, "Statistical Shape Analysis of Surface Using Square Root Normal Fields" at 4:15 PM in 117 Hayes-Healy Center.

### Posted In: ACMS Colloquia

## 2018 ACMS Recent Alumni Panel and Meet the new Actuarial Director

###
5:30 PM - 6:30 PM

127 Hayes-Healy

### April 16, 2018

5:30 pm

127 Hayes-Healy

#### Brendan Jones

Brendan is a software developer at Nyhart. He creates modifies, and fixes software designed to help actuaries work with clients and for improving the clients experience with seeing their retirement plans improve. Recently, he has been working on Votaire, the startup company at Nyhart. Votaire is a holistic retirement planner with the goal of helping individuals prepare enough for retirement and sustain through longer lives and financial shocks. At Notre Dame, Brendan was a Physics major with a concentration in Computer Science and an interest in actuarial science, especially models for financial economics.…

### Posted In: Delahanty Foundation Speaker Series (fka Ask the Actuaries)

## Wed Apr 18, 2018

## John A. Lynch Lecture Series: David Dunson, Department of Arts & Sciences, Duke University

###
4:00 PM - 5:00 PM

105 Jordan Hall of Science

David Dunson, Department of Arts & Sciences, Duke University, will give a John A. Lynch Lecture titled, "TBA" at 4:00 PM in 105 Jordan Hall of Science.

### Posted In: ACMS Colloquia

## Thu Apr 19, 2018

## ACMS Applied Math Seminar: Kresimir Josic

###
3:30 PM - 4:30 PM

154 Hurley Hall

**Kresimir Josic**

University of Houston

**3:30 PM**

**154 Hurley Hall**

**Spatio-temporal Dynamics of Synthetic Microbial Consortia**

Modeling is essential in the design of genetic circuits with desired properties. I will review several examples where mathematical models have been central to the development and understanding of the dynamic of synthetic organisms. I will focus on synthetic bacterial microconsortia that exhibits emergent oscillatory behavior - when co-cultured, the interaction between two bacterial strains results in population-level transcriptional oscillations. The spatio-temporal dynamics of such consortia, including synchrony between distant parts of the population, depend sensitively on the architecture of the underlying genetic circuits. I will show how simplified mathematical models can help us understand how robust oscillations arise, and how spatially synchronous oscillations are maintained.…