grandes-ecoles 2014 QI.A.1

grandes-ecoles · France · centrale-maths2__psi Matrices Matrix Group and Subgroup Structure
Does the matrix $\Delta _ { p + 1 }$ belong to the set $O ( 1 , p )$ ? to the set $O ^ { + } ( 1 , p )$ ? 
Does the matrix $\Delta _ { p + 1 }$ belong to the set $O ( 1 , p )$ ? to the set $O ^ { + } ( 1 , p )$ ?
Paper Questions
QI.A.1 QI.A.2 QI.A.3 QI.A.4 QI.A.5 QI.B.1 QI.B.2 QI.B.3 QI.B.4 QII.A.1 QII.A.2 QII.A.3 QII.A.4 QII.B QII.C QII.D QIII.A QIII.B QIII.C QIII.D QIII.E.1 QIII.E.2 QIII.F.1 QIII.F.2 QIII.F.3 QIII.F.4 QIII.G QIII.H QIII.I