# Keshav Acharya

#### External Links

*The views expressed on faculty and external web pages are those of the author and do not necessarily represent those of Embry-Riddle Aeronautical University.*

#### Education

- Ph.D. - Doctor of Philosophy in Mathematics, University of Oklahoma

#### Currently Teaching

- MA 441: Math Methods Engr & Physics I
- MA 241: Calculus & Analytical Geom I

#### Publications

- K. R. Acharya, M. McBride, "Action of complex symplectic matrices on the Siegel upper half space", Linear Algebra and its Applications, Volume 563, 2019, Pages 47-62, https://doi.org/10.1016/j.laa.2018.10.021.
- K. R. Acharya, " Titchmarsh-Weyl Theory for vector-valued discrete Schrödinger operators", Analysis and Mathematical Physics. (2018). PP 1-17, https://doi.org/10.1007/s13324-018-0277
- K. R. Acharya, " A note on vector valued discrete Schrodinger operators", Nepali Mathematical Science Report, Vol 34 (2016), no 1&2, 1-10.
- K. R. Acharya, " Remling's theorem on canonical systems", Journal of Mathematical Physics.
**57**, 023505 (2016); http://dx.doi.org/10.1063/1.4940048 - L. Lowder · A. Khalid · D.R. Ferreira · J.L. Bohannon · B. Stutzmann · M.M. Atiqullah · R. Singh · T. Yee ·
**K. R. Acharya**·C.A. Chin · M.A. Karim · R.S. Keyser · D. Colebeck, “Student and faculty perceptions of attendance policies at a polytechnic university”, ASEE’s 122nd Annual Conference & Exposition held in Seattle, Washington on June 14-17, 2015 - K. R. Acharya, “Titchmarsh-Weyl theory for canonical systems”, Electronic Journal of Differential Equations, Vol. 2014 (2014), No. 248, pp. 1–13.
- K. R. Acharya, “An Alternate Proof of the De Branges Theorem on Canonical Systems,” ISRN Mathematical Analysis, vol. 2014, pp. 1–7, 2014
- K. R. Acharya, “Self-Adjoint Extension and Spectral Theory of a Linear Relation in a Hilbert Space,”ISRN Mathematical Analysis, vol. 2014, Article ID 471640, 5 pages, 2014. doi:10.1155/2014/471640

#### Professional Experience

2015-present, Assistant Professor, Department of Mathematics, Embry-Riddle Aeronautical University, Daytona Beach, FL.

2013-2015, Lecturer, Department of Mathematics, Kennesaw State University-Marietta Campus, Marietta, GA.

2007-2013, Teaching Assistant, Department of Mathematics, University of Oklahoma, Norman, OK.

2006-2007, Lecturer (Part-Time), Central Department of Mathematics, Tribhuvan University, Kathmandu, Nepal.

2001-2003, Chair, Department of Mathematics, Sainik Awasiya Mahavidhyalaya, Sallaghari, Bhaktapur, Nepal.

1998-2003, Post Graduate Teacher, Sainik Awasiya Mahavidhyalaya, Sallaghari, Bhaktapur, Nepal.

#### Memberships and Credentials

Member, MAA - Mathematical Association of America

Life member, NMS - Nepal Mathematical Society