Matthew Fickus, Justin Marks, Miriam J. Poteet. A Generalized Schur-Horn Theorem for Frame Completions. Applied and Computational Harmonic Analysis, 2015. http://authors.elsevier.com/sd/article/S1063520315000433
Daniel Bates, Brent Davis, Michael Kirby, Justin Marks, Chris Peterson. The Max-Length-Vector Line of Best Fit to a Set of Vector Subspaces and an Optimization Problem Over a Set of Hyperellipsoids. Numerical Linear Algebra with Applications, 2015. http://onlinelibrary.wiley.com/doi/10.1002/nla.1965/abstract
Avishai Ben-David, Justin Marks. Geodesic Paths for Time Dependent Covariance Matrices in a Riemannian Manifold. IEEE Geoscience and Remote Sensing Letters, Sept 2014. http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6727392
Bruce Draper, Michael Kirby, Justin Marks, Tim Marrinan, Chris Peterson. A Flag Representation for Finite Collections of Subspaces of Mixed Dimensions. Linear Algebra and its Applications, June 2014. http://www.sciencedirect.com/science/article/pii/S0024379514001669
Michael Kirby, Justin Marks, Chris Peterson. Two Tangent Bundle Algorithms for Averaging Point Clouds on Grassmann and Stiefel Manifolds. In preparation for submission.