TY - JOUR
T1 - Effective estimates on indefinite ternary forms
AU - Lindenstrauss, Elon
AU - Margulis, Gregory
N1 - Publisher Copyright:
© 2014, Hebrew University of Jerusalem.
PY - 2014/10
Y1 - 2014/10
N2 - We give an effective proof of a theorem of Dani and Margulis regarding values of indefinite ternary quadratic forms at primitive integer vectors. The proof uses an effective density-type result for orbits of the groups SO(2, 1) on SL(3, ℝ)/SL(3, ℤ).
AB - We give an effective proof of a theorem of Dani and Margulis regarding values of indefinite ternary quadratic forms at primitive integer vectors. The proof uses an effective density-type result for orbits of the groups SO(2, 1) on SL(3, ℝ)/SL(3, ℤ).
UR - http://www.scopus.com/inward/record.url?scp=84939881017&partnerID=8YFLogxK
U2 - 10.1007/s11856-014-1110-3
DO - 10.1007/s11856-014-1110-3
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AN - SCOPUS:84939881017
SN - 0021-2172
VL - 203
SP - 445
EP - 499
JO - Israel Journal of Mathematics
JF - Israel Journal of Mathematics
IS - 1
ER -