TY  - JOUR
AU  - Muñoz-Fernández, Gustavo A.
AU  - Sarantopoulos, Y
AU  - Seoane Sepúlveda, Juan Benigno
PY  - 2010
DO  - 10.1090/S0002-9939-10-10295-0
SN  - 0002-9939
UR  - https://hdl.handle.net/20.500.14352/43652
T2  - Proceedings of the American Mathematical Society
AB  - K. Ball has proved the "complex plank problem": if (x(k))(k=1)(n) is a sequence of norm I vectors in a complex Hilbert space (H, (., .)), then there exists a unit vector x for which |< x,x(k)>| >= 1/root n, k = 1,...,n. In general, this result is not...
LA  - eng
M2  - 2521
PB  - American Mathematical Society
KW  - Plank problems
KW  - Polarization constants
KW  - Product of linear functionals
TI  - The real plank problem and some applications.
TY  - journal article
VL  - 138
ER  -