Thanwerdas, Yann; Pennec, Xavier Bures-Wasserstein minimizing geodesics between covariance matrices of different ranks. (English) Zbl 1528.15027 SIAM J. Matrix Anal. Appl. 44, No. 3, 1447-1476 (2023). Reviewer: Benjamin McKay (Cork) MSC: 15B48 15A63 53B20 53C22 58D17 54E50 58A35 PDFBibTeX XMLCite \textit{Y. Thanwerdas} and \textit{X. Pennec}, SIAM J. Matrix Anal. Appl. 44, No. 3, 1447--1476 (2023; Zbl 1528.15027) Full Text: DOI arXiv
Mayther, Laurence H. Unboundedness above of the Hitchin functional on \(\mathrm{G}_2\) 3-forms and associated collapsing results. arXiv:2308.07315 Preprint, arXiv:2308.07315 [math.DG] (2023). MSC: 53C10 32S45 53C23 53C26 15A72 53C29 58E11 32M10 53C60 58A35 57R18 BibTeX Cite \textit{L. H. Mayther}, ``Unboundedness above of the Hitchin functional on $\mathrm{G}_2$ 3-forms and associated collapsing results'', Preprint, arXiv:2308.07315 [math.DG] (2023) Full Text: arXiv OA License
Groisser, David; Jung, Sungkyu; Schwartzman, Armin Uniqueness questions in a scaling-rotation geometry on the space of symmetric positive-definite matrices. (English) Zbl 1486.53043 Differ. Geom. Appl. 79, Article ID 101798, 40 p. (2021). Reviewer: Lakehal Belarbi (Mostaganem) MSC: 53C20 53C15 57R15 53C22 51F25 15A18 PDFBibTeX XMLCite \textit{D. Groisser} et al., Differ. Geom. Appl. 79, Article ID 101798, 40 p. (2021; Zbl 1486.53043) Full Text: DOI arXiv
Katz, K.; Katz, M.; Kerner, D.; Liokumovich, Y. Determinantal variety and normal embedding. (English) Zbl 1406.53048 J. Topol. Anal. 10, No. 1, 27-34 (2018). Reviewer: Jaydeb Sarkar (Bangalore) MSC: 53C23 58A35 32S60 15A60 15A99 PDFBibTeX XMLCite \textit{K. Katz} et al., J. Topol. Anal. 10, No. 1, 27--34 (2018; Zbl 1406.53048) Full Text: DOI arXiv
Groisser, David; Jung, Sungkyu; Schwartzman, Armin Geometric foundations for scaling-rotation statistics on symmetric positive definite matrices: minimal smooth scaling-rotation curves in low dimensions. (English) Zbl 1361.53061 Electron. J. Stat. 11, No. 1, 1092-1159 (2017). MSC: 53C99 53C15 53C22 51F25 15A18 PDFBibTeX XMLCite \textit{D. Groisser} et al., Electron. J. Stat. 11, No. 1, 1092--1159 (2017; Zbl 1361.53061) Full Text: DOI arXiv Euclid
Gibson, C. G.; Ward, T. D. On stratifying pairs of linear mappings. (English) Zbl 0521.58004 Pac. J. Math. 102, 329-345 (1982). MSC: 58A35 32S60 14L30 15A21 PDFBibTeX XMLCite \textit{C. G. Gibson} and \textit{T. D. Ward}, Pac. J. Math. 102, 329--345 (1982; Zbl 0521.58004) Full Text: DOI
Schwarz, Gerald W. Lifting smooth homotopies of orbit spaces. (English) Zbl 0449.57009 Publ. Math., Inst. Hautes Étud. Sci. 51, 37-135 (1980). MSC: 57S15 20G05 15A75 58A35 58A40 PDFBibTeX XMLCite \textit{G. W. Schwarz}, Publ. Math., Inst. Hautes Étud. Sci. 51, 37--135 (1980; Zbl 0449.57009) Full Text: DOI Numdam EuDML