Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Zhang, Pengchu"'
Autor:
Zhang, Pengchuan
Given a positive semidefinite (PSD) operator, such as a PSD matrix, an elliptic operator with rough coefficients, a covariance operator of a random field, or the Hamiltonian of a quantum system, we would like to find its best finite rank approximatio
Publikováno v:
In Applied Geochemistry June 2023
As information systems become increasingly complex and pervasive, they become inextricably intertwined with the critical infrastructure of national, public, and private organizations. The problem of recognizing and evaluating threats against these co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec4a71152fcbceda58c64b387fcd6320
https://doi.org/10.2172/875979
https://doi.org/10.2172/875979
Autor:
Zhang, Pengchu, Ryan, James A.
Publikováno v:
Environmental Science & Technology. 11/01/98, Vol. 32 Issue 21, p3318. 7p.
Autor:
Zhang, Pengchu, Ryan, James A.
Publikováno v:
Environmental Science & Technology. 09/15/98, Vol. 32 Issue 18, p2763. 6p. 9 Graphs.
Autor:
Zhang, Pengchu, Ryan, James A.
Publikováno v:
Environmental Science & Technology. Sep97, Vol. 31 Issue 9, p2673. 6p. 1 Black and White Photograph, 10 Graphs.
Autor:
Nyman, May, Krumhansl, James L., Jove-Colon, Carlos, Zhang, Pengchu, Nenoff, Tina M., Headley, Thomas J., Su, Yali, Li, Liyu
Publikováno v:
MRS Online Proceedings Library; 2001, Vol. 713 Issue 1, p1-7, 7p
Publikováno v:
MRS Online Proceedings Library; 1999, Vol. 608 Issue 1, p1-6, 6p
Autor:
Moore, Robert C., Sanchez, Charles, Holt, Kathleen, Zhang, Pengchu, Xu, Huifang, Choppin, Gregory R.
Publikováno v:
Radiochimica Acta; November 2004, Vol. 92 p719-723, 5p
Publikováno v:
Radiochimica Acta; June 2000, Vol. 88 Issue: 6 p369-373, 5p