Kroschel, Brenda portrait

Kroschel, Brenda

Associate Professor
Degree
Ph.D., College of William and Mary
Office
OSS 218
Phone
(651) 962-5537
Toll Free
(800) 328-6819, Ext. 2-5537
Fax
651-962-5670
Mail
OSS 201

Professional Interests
structured eigenvectors
interlacing
matrix completions
totally nonnegative matrices
zero forcing number
Twin Cities Math Teachers' Circle

I received my PhD in Matrix Theory from the College of William and Mary. Prior to that I worked in industry for a number of years including three years for an options and futures trading firm in the Chicago Board of Trade. My research interests include matrix completion problems, eigenvalue interlacing, structured eigenvectors, totally nonnegative matrices,and zero forcing number.

I am one of the co-organizers of Minnesota's first Math Teachers' Circle called the Twin Cities Math Teachers' Circle (TCMTC). Myself, Melissa Loe and Cheri Shakiban from University of St. Thomas together with Minneapolis middle school teachers Patty DeJarLais and Chris Wernimont started the circle in August 2010. There are currently 18 members of the TCMTC and we meet each month to work on interesting math problems and improve the problem solving skills of the middle school math teachers who are members. We hope to energize these teachers so they bring their enthusiasm and improved problem solving skills back to their classrooms.

Education:

  • Ph.D., Applied Science Program ( Mathematics Track) College of William and Mary, 1996.
  • M.S., Mathematical Sciences, Clemson University, 1987 .
  • B.A., Mathematics and Chemistry, St. Olaf College, 1985.

Publications:

  • Principal Submatrices, Geometric Multiplicities, and Structured Eigenvectors, C.R. Johnson, and B.K. Kroschel, SIAM J. Matrix Anal. Appl, 16-3 (1995) 1004-1012.
  • The Euclidean Distance Completion Problem: Cycle Completability, C.R. Johnson, C.A. Jones, and B.K. Kroschel, Linear and Multilinear Algebra, 39 (1995) 195-207.
  • An Interior-Point Method for Approximate Positive Semidefinite Completions, C.R. Johnson, B.K. Kroschel, and H. Wolkowicz, Computational Optimization and Applications, accepted.
  • Extended Interlacing Intervals, C.R. Johnson, R.O. Hill, and B.K. Kroschel, Linear Algebra and its Applications, accepted.
  • The "Clock Hands" Computer Graphics Program, C.R. Johnson and B.K. Kroschel, College Journal of Mathematics, to appear.
  • The P-matrix Completion Problem, C.R. Johnson and B.K. Kroschel, Electronic Journal of Linear Algebra, vol 1.
  • The Totally Nonnegative Completion Problem, C.R. Johnson, B.K. Kroschel, and M. Lundquist, Fields Institute Communications, to appear.

Summer 2015 Courses

Summer 2015 Courses
Course - Section Title Days Time Location

Fall 2015 Courses

Fall 2015 Courses
Course - Section Title Days Time Location
MATH 113 - 06 Calculus I M - W - F - - 1335 - 1440 OSS 226
CRN: 40227 4 Credit Hours Instructor: Brenda K. Kroschel An introductory course in calculus: limits; derivatives and integrals of algebraic, exponential, logarithmic and trigonometric functions of one real variable; applications of the derivative in engineering and the natural sciences. Prerequisite: a grade of C- or above in MATH 105 or a satisfactory score on the mathematics placement examination. (Four years of high school mathematics, including college algebra and trigonometry, also are recommended as background for this course.) NOTE: Students who receive credit for MATH 113 may not receive credit for MATH 108, 109, or 111.

Schedule Details

Location Time Day(s)
MATH 113 - 07 Calculus I - T - R - - - 0955 - 1135 OSS 226
CRN: 40473 4 Credit Hours Instructor: Brenda K. Kroschel An introductory course in calculus: limits; derivatives and integrals of algebraic, exponential, logarithmic and trigonometric functions of one real variable; applications of the derivative in engineering and the natural sciences. Prerequisite: a grade of C- or above in MATH 105 or a satisfactory score on the mathematics placement examination. (Four years of high school mathematics, including college algebra and trigonometry, also are recommended as background for this course.) NOTE: Students who receive credit for MATH 113 may not receive credit for MATH 108, 109, or 111.

Schedule Details

Location Time Day(s)
MATH 317 - 02 Real Analysis M - W - F - - 1215 - 1320 OSS 226
CRN: 42287 4 Credit Hours Instructor: Brenda K. Kroschel Topology of the real numbers. Functions of one real variable. Rigorous development of continuity and uniform continuity; differentiability; uniform convergence. Sequences and series. Offered fall semester. Prerequisites: A grade of C- or above in MATH 240

Schedule Details

Location Time Day(s)

J-Term 2016 Courses

J-Term 2016 Courses
Course - Section Title Days Time Location

Undergraduate Admissions

Graduate Admissions

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