## Dr. In-jae kim's personal website

## Education

- Ph.D., Mathematics, University of Wyoming, 2005 (Advisor: Dr. Bryan L. Shader)
- M.S., Mathematics, Kyungpook National University, South Korea, 1999 (Advisor: Dr. Suk-Geun Hwang)
- B.S., Secondary Math Education, Kyungpook National University, South Korea, 1996

## Primary Areas:

- Combinatorial Matrix Theory, Complex Network Theory, and Data Analytics

**Professional Experience**

Professor, Minnesota State University, Mankato, August 2013 to present

Research Fellow, Minnesota Modeling and Simulation Center, Fall 2010 to present

Research Graduate Faculty, Minnesota State University, Mankato, August 2007 to present

Director, Center for Excellence in Scholarship and Research (CESR), July 2011 to June 2014

Associate Professor, Minnesota State University, Mankato, August 2010 to July 2013

Assistant Professor, Minnesota State University, Mankato, August 2006 to June 2010

Postdoctoral Fellow, University of Victoria, Canada, September 2005 to July 2006

Teaching Assistant, University of Wyoming, September 2000 to August 2005

Instructor, Dongyang University, Fall 1999

Teacher, Ohsung High School, Summer 1999

Korean Air Force, 1989-1992

**Publications (peer-reviewed; Names in boldface are SAMER students)**

• I.-J. Kim and B.L. Shader, Maximum spread over symmetric (0,1)-matrices, In preparation.

• B. Eastman, I.-J. Kim, B.L. Shader, and K.N. Vander Meulen, Companion matrix patterns, Linear Algebra and its Applications 463 (2014), 255-272.

• I.-J. Kim, B. Barthel, J.L. Dobmeier, S.-C. Kim, Y.-Y. Park, D.-Y. Shin, and J.R. Tait, Network analysis for active and passive propagation models, Networks 63 (2014), 160-169.

• I.-J. Kim and B.L. Shader, Unordered multiplicity lists of a class of binary trees, Linear Algebra and its Applications 438 (2013), 3781-3788.

• M.S. Cavers, C. Garnett, I.-J. Kim, D.D. Olesky, P. van den Driessche, and K.N. Vander Meulen, Techniques for identifying inertially arbitrary patterns, Electronic Journal of Linear Algebra 26 (2013), 71-89.

• I.-J. Kim, Algorithmic Proof of MaxMult(T)=p(T), Communications of the Korean Mathematical Society 27 (2012), 665-668.

• I.-J. Kim, B. Barthel, S.-C. Kim, H. Nishina, and D.-Y. Shin, On the development of a satisfaction survey instrument using PageRank centrality, Journal of Academy of Business and Economics 12 (2012), 134-143.

• L.M. DeAlba, J. Grout, I.-J. Kim, S.J. Kirkland, J.J. McDonald and A. Yielding, Minimum rank of powers of trees, Electronic Journal of Linear Algebra 23 (2012), 151-163.

• I.-J. Kim, S.-C. Kim, D.-Y. Shin and J. Wagner, Analysis on propagations in active and passive network models, Proceedings of 2011 International Academy of Business and Economics (IABE), 115-118.

• I.-J. Kim and C. Waters, Symmetric sign patterns with maximal inertias, Czechoslovak Mathematical Journal 60 (2010), 101-104.

• A. Berman, M. Catral, L.M. DeAlba, A. Elhashash, F. Hall, L. Hogben, I.-J. Kim,

D.D. Olesky, P. Tarazaga, M.J. Tsatsomeros and P. van den Driessche, Sign patterns that allow eventual positivity, Electronic Journal of Linear Algebra 19 (2010), 108-120.

• C. Erickson and I.-J. Kim, On nilpotence indices of sign patterns, Communications of the Korean Mathematical Society 25 (2010), 11-18.

• Y.-F. Chen, H.-L. Fu, I.-J. Kim, E. Stehr and B. Watts, On the largest eigenvalues of bipartite graphs which are nearly complete, Linear Algebra and its Applications 432 (2010), 606-614.

• I.-J. Kim and B.L. Shader, Nonsingular acyclic matrices, Linear and Multilinear Algebra57 (2009), 399-407.

• I.-J. Kim, D.D. Olesky and P. van den Driessche, Critical sets of inertias for matrix patterns, Linear and Multilinear Algebra 57 (2009), 293-306.

• I.-J. Kim, D.D. Olesky, B.L. Shader, P. van den Driessche, H. van der Holst and K.N. Vander Meulen, Generating potentially nilpotent full sign patterns, Electronic Journal of Linear Algebra18 (2009), 162-175.

• I.-J. Kim and B.L. Shader, Smith Normal Form and acyclic matrices, Journal of Algebraic Combinatorics 29 (2009), 63-80.

• I.-J. Kim and B.L. Shader, Sign patterns that require a positive or nonnegative left inverse, Electronic Journal of Linear Algebra 17 (2008), 209-218.

• I.-J. Kim and B.L. Shader, On Fiedler- and Parter-vertices of acyclic matrices, Linear Algebra and its Applications 428 (2008), 2601-2613.

• I.-J. Kim and B.L. Shader, Classification of trees each of whose associated acyclic matrices with distinct diagonal entries has distinct eigenvalues, Bulletin of the Korean Mathematical Society 28 (2008), 95-99.

• I.-J. Kim, D.D. Olesky, B.L. Shader and P. van den Driessche, Sign patterns that allow a positive or nonnegative left inverse, SIAM J. Matrix Anal. Appl. 29 (2007), 554-565.

• I.-J. Kim, D.D. Olesky and P. van den Driessche, Inertially arbitrary sign patterns with no nilpotent realization, Linear Algebra and its Applications 421 (2007), 264-283.

• I.-J. Kim, J.J. McDonald, D.D. Olesky and P. van den Driessche, Inertias of zero-nonzero patterns, Linear and Multilinear Algebra 55 (2007), 229-238.

• M.S. Cavers, I.-J. Kim, B.L. Shader and K.N. Vander Meulen, On determining minimal spectrally arbitrary patterns, Electronic Journal of Linear Algebra 13 (2005), 240-248.

**Student Supervision**

• Jordan Tait, M.A., Expected in Fall 2014

• Brian Barthel, M.A., Spring 2013

• Joe Wagner, Undergraduate Research Conference, April 2011 (Graduate student in Computer Science at University of Minnesota; software/systems engineer at Thomson Reuters)

• Moyang Chen, Undergraduate Research Conference, April 2011

• Nicholas Compton, Undergraduate Research Conference, April 2011

• Jordan Tait, Undergraduate Research Conference, April 2011 and 2012

• Brian Barthel, Undergraduate Research Conference, April 2010 (M.A. student at Minnesota State University)

• Craig Erickson, M.A., Summer 2009 (Ph.D. student at Iowa State University)

• Lucas Kramer, M.A., Summer 2009 (Ph.D. student at Iowa State University)

• Eric Hanson, Undergraduate Research Conference, April 2009 (Ph.D. student at Colorado State University, Fort Collins)

• Steven Reller, M.A., Summer 2008

• Brendon Watts (West high school, Mankato), Undergraduate Research Conference, April 2008

**Recent Presentations**

• May 8, 2014: Math Teachers’ Circle, University of St. Thomas, St. Paul, MN; Classroom Scenarios of Mathematics Questions from Students

• April 25-26, 2014: MAA North Central Section Meeting, St. Cloud State University, St. Cloud, MN; Eventual Positivity and Data Analysis

• June 3-6, 2013: 2013 International Linear Algebra Society (ILAS) Meeting, Providence, RI; Creating a User-Satisfaction Index

• April 26-27, 2013: American Mathematical Society (AMS)-Central Section Meeting, Iowa State University, Ames, IA; Eventual Positivity in Multivariate Data Analysis

• October 16, 2012: 2012 International Academy of Business and Economics (IABE) Conference, Las Vegas, NV; On the development of a satisfaction survey instrument using PageRank centrality

• August 1-4, 2012: Invited Paper Session on Combinatorics and Matrices at the 2012 MAA MathFest, Madison, WI; Application of PageRank centrality to a survey instrument

• April 13-15, 2012: 2012 Circle on the Road Conference by MSRI, George Washington University, Washington DC; Logic Puzzles

• January 4-7, 2012: AMS special session on Matrices and Graphs at the Joint Mathematics Meetings, Boston, MA; Unordered multiplicity list of a class of binary trees

• June 16, 2011: REU (Research Experiences for Undergraduates) speaker at University of Wyoming; Graph partitioning and community detection

• June 3-5, 2011: Canadian Mathematical Society (CMS) Summer 2011 Meeting at the University of Alberta, Edmonton, Canada; Unordered Multiplicity Lists of Φ-binary trees

• April 15-16, 2011: Mathematical Association of America (MAA)-North Central Section Meeting at Carleton College, Northfield, MN; Path cover number and maximum corank of a tree

• March 19, 2011: Julia Robinson Mathematics Festival at University of Houston, TX; KenKen

• April 10-11, 2010: American Mathematical Society (AMS)-Central Section Meeting, Macalester College, St. Paul, MN; On nearly complete bipartite graphs

• February 1-5, 2010: Banff International Research Station (BIRS) Workshop on Theory and Applications of Matrices Described by Patterns, Banff, Canada; On eventual positivity

• December 16-20, 2009: AMS-Korean Mathematical Society (KMS) Joint Meeting, Ewha Woman's University, Seoul, Korea; On the largest eigenvalues of bipartite graphs which are nearly complete

• October 26-29, 2009: SIAM Conference on Applied Linear Algebra, Monterey, CA; On Nilpotence Indices of Sign Patterns

• August 12-14, 2009: Conference on Linear and Numerical Linear Algebra: Theory, Methods, and Applications at Northern Illinois University, DeKalb, IL; Compressed Sensing and Matrix Problems

• April 24-25, 2009: MAA-North Central Section meeting at Hamline University, St. Paul, MN; Symmetric Sign Patterns with Maximal Inertias

• March 10, 2009: Mathematics Department Colloquium at Iowa State University, Ames; On Potentially Nilpotent Sign Patterns

• January 5-8, 2009: AMS special session on Spectra of Matrix Patterns and Applications to Dynamical Systems at the Joint Mathematics Meetings in Washington DC; Low Rank Perturbations and Inertias of Full Symmetric Sign Patterns

• October 17-18, 2008: MAA-North Central Section meeting at Concordia College, Moorhead, MN; On Fiedler- and Parter-vertices of Trees

• September 12-13, 2008: Rocky Mountain Discrete Mathematics Days at University of Wyoming, WY; Structure Analysis of Acyclic Matrices by Special Vertices of Trees

• August 14-17, 2008: UKC-Applied and Pure Mathematics Symposium at San Diego, CA; Structure Analysis of Acyclic Matrices by Special Vertices of Trees

• April 25-26, 2008: MAA-North Central Section meeting at College of St. Benedict, MN; Inertias of Matrix Patterns

**Workshops and Conferences**

• June 18-20, 2014: Summer Institute on Statistical Computing for Big Data, Brigham Young University, Provo, Utah

• May 27-June 13, 2014: IMA New Directions Short Course: Topics in Control Theory, Minneapolis, MN

• May 12-16, 2014: Short Course on Mathematical Sciences in Obesity Research, University of Alabama, Birmingham, AL

• May 2-3, 2014: Minnesota Council of Teachers of Mathematics (MCTM) Spring Conference, Duluth, MN

• April 7-9, 2014: IMA Workshop on Careers and Opportunities in Industry or Mathematical Scientists, Minneapolis, MN

• January 6-10, 2014: IPAM Workshop on Mathematics of Social Learning, Los Angeles, CA

• September 4-6, 2013: Santa Fe Institute Short Course on Complexity, Austin, TX

• December 12-13, 2012: QSR NVivo 10 Workshop, Atlanta, GA

• June 14-15, 2012: The 18th Midwest Qualitative Research Conference, University of St. Thomas, Minneapolis, MN

• May 16-18, 2012: Eighth International Congress of Qualitative Inquiry, University of Illinois at Urbana-Champaign, Champaign, IL

• April 20-21, 2012: MAA-NC Meeting, Concordia University, St. Paul, MN

• April 13-15, 2012: 2012 Circle on the Road Conference by MSRI, George Washington University, Washington DC

• March 18-20, 2011: 2011 Circle on the Road Conference by MSRI, University of Houston, TX

• July 12-16, 2010: NSF-CBMS (Conference Board of the Mathematical Sciences) Regional Conference: The Mutually Beneficial Relationship of Matrices and Graphs, Iowa State University, Ames, IA

• June 28-July 2, 2010: American Institute of Mathematics (AIM) Workshop on How to run a Mathematics Teachers’ Circle, Palo Alto, CA

• March 8-12, 2010: Digital Course Conversion Workshop, Minnesota State University, Mankato

• February 1-5, 2010: BIRS Workshop on Theory and Applications of Matrices Described by Patterns, Banff, Canada

• July 20-24, 2009: AIM Workshop on Research Experiences for Undergraduate Faculty, Palo Alto, CA

• May 11-13, 2009: Mathematical Sciences Research Institute (MSRI) Workshop on Critical issues in education: Teaching Undergraduates Mathematics, Berkeley, CA

• December 1-5, 2008: AIM Workshop on Nonnegative Matrix Theory: Generalizations and Applications, Palo Alto, CA

• June 30-July 25, 2008: Institute for Mathematics and its Applications (IMA) PI Summer Program for Graduate Students (Linear Algebra and Applications) at Iowa State University, Ames, IA

• June 3-4, 2008: Center for Excellence in Teaching and Learning (CETL) Workshop on Integrated Course Design, Minnesota State University, Mankato

• June 4-15, 2007: IMA New Directions Short Course on Compressive Sampling and Frontiers in Signal Processing, Minneapolis, MN

• Spring 2007: CETL Faculty Teaching Certificate Program I, Minnesota State University, Mankato

• October 23-27, 2006: AIM Workshop on Spectra of families of matrices described by graphs, digraphs, and sign patterns, Palo Alto, CA

• June 8-26, 2004: IMA PI Summer Program for Graduate Students (Coding and Cryptography) at University of Notre Dame, IN

• May 6-8, 2004: BIRS Conference on Directions in Combinatorial Matrix Theory at Banff, Canada

• July 14-August 1, 2003: IMA PI Summer Program for Graduate Students (Combinatorics and its Applications) at Georgia Institute of Technology, Atlanta, GA

**Conferences, Workshops and Seminars Organize**d

• SAMER Seminar Series, Fall 2007-Present

• Julia Robinson Mathematics Festival (Co-organizer: Dr. Mary Wiest), Minnesota State University, November 12, 2011

• Special Session on Matrices and Graphs, AMS Sectional Meeting, University of Nebraska, Lincoln, NE; Co-organizers: Drs. Berliner (St. Olaf College), Hogben (Iowa State University) and Shader (University of Wyoming), October 14-16, 2011

• ITQ (Improving Teacher Quality) Summer Institute on “Algebraic Patterns and Statistics for 5-8 Teachers” at Minnesota State University, Mankato; Co-organizers: Dr. Mark Zuiker (Math & Stats at MSU, Mankato), Dr. Amy Scheuermann (Special Education at MSU, Mankato), Dr. Teresa Wallace (Special Education at MSU, Mankato), and Paul Peterson (St. Peter PSD), Karen Coblentz (St. Peter PSD), and Dr. Heather Mueller (Mankato PSD), August 1-5, 2011

• Special Session on Matrices and Graphs, AMS Sectional Meeting, Macalester College, MN; Co-organizers: Drs. Berliner (St. Olaf College), DeAlba (Drake University) and Hogben (Iowa State University), April 10-11, 2010

• Organizing Committee Chair, Steven and Noreen Linney Colloquium Series, Minnesota State University, Mankato; Committee Members: Ms. Stehr, Drs. Singer and Souldatos, Spring 2009-Present

• Special Session on Spectra of Matrix Patterns and Applications to Dynamical Systems, AMS Joint Meetings, Washington DC; Co-organizers: Drs. DeAlba, Hogben and Shader, January 5-8, 2009

• Combinatorial Matrix Theory Workshop (follow-up to AIM workshop in October, 2006), University of Wyoming; Co-organizer: Dr. Shader, August 13-19, 2007

• Departmental Workshop on Matrix Theory and Search Engine “Google”; Co-organizer: Dr. Singer, Spring 2007

**Awards and Honors**

• Faculty Research Enhancement Grant; College of Science, Engineering and Technology, MSU, Mankato; Spring 2012 and Spring 2014

• Excellence in Research; College of Science, Engineering and Technology, MSU, Mankato; Fall 2011

• KMS Young Mathematician Travel Award; Fall 2009

• SIAM Early Career/Postdoc Travel Award; Fall 2009

• Excellence in Student Advising and Leadership, Awarded by Student Advisory Board; College of Science, Engineering and Technology, MSU, Mankato; Fall 2009

• Presidential Teaching Scholar Fellowship; MSU, Mankato; Summer 2009

• Research Reassigned Time (Course Release); MSU, Mankato, Spring 2007

• Outstanding Dissertation Award in Physical, Earth and Computational Sciences; University of Wyoming, 2005

• National Science Foundation (NSF) Experimental Program to Stimulate Competitive Research (EPSCoR) Graduate Fellowship; University of Wyoming, 2002-2005

• Member of Honorary Society, Phi Kappa Phi, 2003-Present

• Paul Stock Scholarship; University of Wyoming, 2002

• Fellowship for Academic Performance; Kyungpook National University, 1992-1996

• Suk-Bong Scholarship; Kyungpook National University, 1996

**Grants**

• MAA Dolciani Mathematics Enrichment Grants (Not Funded), Spring 2012

• MSRI Math Circle Exchange Grant, PI, Fall 2011

• MSRI Math Circle Mini-grant, PI, Fall 2010 and Fall 2011

• Improving Teacher Quality Grant, MN Office of Higher Education, Senior Personnel, Spring 2011

• National Security Agency (NSA) Young Investigator Grant (Not Funded), Fall 2009

• Summer RASP Undergraduate Research Assistant Grant; MSU, Mankato, Summer 2008 and Summer 2010

• Faculty Improvement Grant; MSU, Mankato, Spring 2008, Spring 2010, Fall 2013

• Faculty Research Grant; MSU, Mankato, 2007-2008

**Professional Service**

• Advisor: SAMER, 2007-Present

• Coordinator: MAMCS (Mankato Area Math Circle for Students), Fall 2010-Present

• Chair: Math/Stat Curriculum Committee, Fall 2013-Spring 2014

• Member: CSET Curriculum Committee, Fall 2013-Spring 2014

• Member: MnSCU Math Discipline Shared Learner Outcomes Work Group, Fall 2013-Spring 2014

• Assistant Managing Editor for Electronic Journal of Linear Algebra, Fall 2010-Spring 2013

• Member: Math/Stat Student Advancement Committee, Fall 2012-Spring 2013

• Chair: Math/Stat Student Advancement Committee, Fall 2011-Spring 2012

• Member: Math/Stat Student Advancement Committee, Fall 2010-Spring 2011

• Chair: Math/Stat Faculty and Departmental Advancement Committee, Fall 2009-Spring 2010

• Member: MSU Research Committee, Fall 2009-Spring 2011

• Judge: 60th Annual Regional Science and Engineering Fair, Spring 2011

• Judge: Undergraduate Research Conference, Spring 2009

• Member: Math/Stat Graduate Faculty Status Review Committee, Fall 2008

• Member: Math/Stat Faculty and Departmental Advancement Committee (Served also as departmental library liaison), Fall 2008-Spring 2009

• Member: Math/Stat Tenure Track Position in Statistics Search Committee, Spring 2009

• Member: Math/Stat Fixed Term Search Committee, Spring 2008

• Member: Math/Stat Scheduling Committee, Fall 2006-Spring 2008

• Member: Math/Stat Ad-hoc Committee to create a D2L-based supplement for the summer Math 110 batch, Spring 2007

• Member: Calculus Textbook Selection Committee, 2006-2007

• Journal Referee and Reviewer: Linear Algebra and its Applications, Linear and Multilinear Algebra, Electronic Journal of Linear Algebra, Discrete Mathematics, Involve, AMS Mathematical Reviews