Dr. Cho's research interests include free probability, operator algebra and theory, combinatorics, and groupoid dynamical systems.

PhD, University of Iowa

MA, ibid

BA, Sungkyunkwan University, Korea

- College Algebra
- Calculus: pre, I, II, and III
- Elementary Functions
- Business Math
- Trigonometry

"Operators Induced by Prime Numbers." Methods and Appl. Analytics. Jan. 2013.

"K-Groups of a C*-Algebra Generated by a Single Opearator." Complex Analysis and Operator Theory. Nov. 2012.

"The Index Semigroup and K-Groups of Graph-Groupoid C*-Algebras." Complex Analysis and Operator Theory. Oct. 2012.

"Real Numbers Acting on Arithmetic Functions." INTEGERS: The Electronic Jornal of Combinatorics and Number Theory. Nov. 2012. (With Dr. Tim Gillespie)

"Von Neumann Algebras Generated by Representations of Monads." Applicable Analysis & Discrete Mathematics. Oct., 2012. (With Prof. Palle Jorgensen)

"Operator Algebras Induced by Monads." Journal of Applied Mathematics and Computing. July 2012. (With Prof. Palle Jorgensen)

"K-Theory Induced by a single Partial Isometry." Opuscula Mathematica. June 2012

"Operators Induced by Prime Numbers."Method and Applications of Analysis. Submitted May 2012; accepted Jan. 2013.

"C*-Algebraic K-Theory Induced by Graphs." American Journal of Mathematics and Mathematical Science. March 2012.

"Operators Induced by Graphs." Letters in Mathematical Physics. Jan. 2012. (With Prof. Palle Jorgensen)

Monograph : The Index Semigroup Induced by Finite Trees, (2011) LAPublisher. ISBN: 978-3-8465-9015-7.

Book : Algebra on Graph Groupoids and Application, (2011 ~ ?) In Progress. Science Publisher, and CRC Press / Taylor & Fransis Group

Monograph : Index Theory on Graphs, (2011) ISNB: 978-3-639-33271-1. VDM Publisher

Book (Multi-authors) : Graph Fractaloids: Classification & Application of Graph Groupoids with Fractal Property, (2010). Chapter: HandBook on Classification and Application of Fractals NOVA Publisher. Invited Article (a Chapter) of the above Book ISBN: 978-1-61324-198-1.

Monograph : Operations on Graphs, Groupoids, and Operator Algebras, (2010). ISBN: 978-8383-5271-8 LAPublisher

Monograph : Frames on Graphs and Corresponding von Neumann Algebras, (2010). ISBN: 978-3-639-24020-7 VDM Publisher.

Monograph : Free Calculus on Operator Algebras, (2009) ISBN : 978-3-8383-2519-4 LAPublisher.

Monograph : Distorted Histories, (2009). ISBN : 978-3-639-21083-5 VDM Publisher.

Monograph : Graph Groupoids and Partial Isometries, (2009). ISBN: 978-3-8383-1397-9 LAPublisher

Monograph : Fractals on Graphs, (2009) ISBN: 978-3-639-19447-0 VDM Publisher.

Invited Seminar (@ Seminar, FIC, CASA with Chief Inspector) June & July, 2011

Invited Talk (@ Seoul National University, PARC Operator Theory Seminar) June, 2011, Title : Distortion on Histories Invited Talk (@ Seoul National University, Operator Theory Mini Semicar 2011) June, 2011 : 1-hour talk Title : Index Semigroup and their Actions

Invited Talk (@ Univ. of South Dakota, Dep. of Math.) Mar., 2010 : 1-hour talk Title : Distorted Histories

Invited Lecture (@ Research and Development Team of Korean Airport Corporation) Jul. 2009 : 4-hour lecture, Title : Space Modulation Factors and Wave Patterns

Invited Seminar Talk (@ Seoul National Univ.) Jun., 2009 : 2-hour talk Title : C*-Subalgebras Generated by a Single Operator in B(H)

Invited Talk (@ Assumption High School, Davenport, Iowa) Mar. 2009 Title : Math? Why? How? What?

Fractal Measure Workshop (@ Univ. of Iowa, Hosted by Prof. P. Jorgensen): Feb. 2009 Invited and Attended

**Mathematics Counselor of FIC**(Flight Inspection Center) of CASA (Civil Aviation Safety Authority), Korean Ministry of Land, Transport and Maritime Affairs**Mathematics Consultant**of Round Table Group**Paper Review Referee**, American Mathematical Society (AMS) for the following:

Paper Review: Internat. J. Math., vol 21, no. 10, (2010) 1239 - 1266, Sep., 2011 ~ present in progress

Paper Review: J. Stat. Phy., (2011) 201 - 219, Jun., 2011 ~ Aug., 2011 reviewed.

Paper Refereeing: Journal of Applied Mathematics and Computing, Feb. 2011 ~ Mar. 2011 refereed

Paper Refereeing: Complex Analysis & Operator Theory, Aug. 2010 ~ Dec. 2010 refereed

Paper Review : Elect. Comm. in Probab. 14, (2009) 327 - 333, Apr. 2010 ~ Jul. 2010, reviewed

Paper Refereeing : Discrete and Continuous Dynamical Systems, Jul. 2009 ~ Nov. 2009, refereed

Paper Review : Far. east. J. Math. Sci. (FJMS) 29, no. 2, (2008) 439 - 449, Jan., 2009 ~ Mar., 2009, reviewed

Paper Review : An. Univ. Vest. Timis. Ser. Mat.-Inform, 45, no. 1, (2007) 91 - 107, Jun., 2008 ~ Aug., 2008, reviewed

Paper Review : J. of Korea Soc. Math. Educ. Ser. B: Pure Appl. Math., 14, no. 4, (2007) 307 - 315, Mar. 2008 ~ Apr. 2008, reviewed

Paper Review : J. of Math Analysis & Appl, 336, no. 1, (2007) 180 - 187, Jan. 2008 - Feb. 2008, reviewed

Paper Refereeing : ACTA Applied Math, Nov. 2007 - Jan. 2008 refereed

University Service

Study Abroad Department Representative (SADR), (Sep., 2011 ~ Present); Liaison with Center for International Education's Study Abroad Office

Math Department Program Review (2011)

Education Policies Committee (EPC) (Sep. 2011 ~ Present) member

Fullbright SIR-Fund Committee (Feb. 2011 ~ present) member

Course Development / Grant Applying for UMAIE/Seminar (Dec. 2010 ~ present) Approved in Nov. 2011. With Dr. Duk-Hyang Kim (Political Sci. Dept.)

Department working student managing (Aug. 2011 ~ present)

Hiring Committee for a 1-year position member (Aug. 2010 ~ May 2011)

Hiring Committee of a math coordinator (Aug. 2010 ~ May 2011)

Lower-Leveled-Course Development (Aug. 2010 ~ May 2011) Dept. of Math

Course Coordination (Math 151) (Fall 2010)

Modifying a course Math 360 (Fall 2010)

Committee member of Department Program Review (Spring 2010)

Website manager of the department (Spring 2010 ~ present)

Hiring Committee for a Visiting Faculty: Fall 2009, Fall 2007

Advanced Math course creating: Advanced Linear Algebra, Topology, Combinatorial Computings