Loop quantization of spherically symmetric midi-superspaces : the interior problem

M. Reed and B. Simon, “Methods of Mathematical Physics Vol. II”, Academic Press, New York (1975); J. Weidmann, “Linear operators in Hilbert spaces” Springer Verlag, New York (1990)

1990

Earlier work this paper cites.

D. N. Page and W. K. Wootters, Phys. Rev. D 27

1992

Earlier work this paper cites.

K. V. Kuchar, Phys. Rev. D 50

1994

Earlier work this paper cites.

A. D. Polyanin, V. F. Zaitsev, A. Moussiaux, “Handbook of first order partial differential equations”, Taylor and Francis, London, (2002). See also http://eqworld.ipmnet.ru/en/solutions/fpde/fpde2210.pdf

2002

Cited alongside, same era.

R. Gambini, R. Porto, J. Pullin, New J. Phys. 6

Original

2004

Cited alongside, same era.

M. Bojowald and R. Swiderski, Class. Quant. Grav. 23

2006

Cited alongside, same era.

C. G. Boehmer and K. Vandersloot, arXiv:0709.2129 [gr-qc]

Original

Cited in the paper.

M. Bojowald, D. Cartin and G. Khanna, arXiv:0704.1137 [gr-qc] and references therein

Original

Cited in the paper.

A. Ashtekar and M. Bojowald, Class. Quant. Grav. 23

2006

Later among the works it cites.

L. Modesto, Int. J. Theor. Phys. 45

2006

Later among the works it cites.

M. Campiglia, R. Gambini and J. Pullin, Class. Quant. Grav. 24

2007

Closest in time.