Travaux sur les symétries de Lie des équations aux ... - DMA - Ens

76+ 1 2∑k− ∑ k− ∑ kH l 2k,y l 2 Hk l 19L l 2k,l2 ,x Hk l 111− 1 6 Hl 2l 2 ,y l 2 Hl 2l1c− 1 3+ 1 3 Ll 2l2 ,l 2 ,x Hl 2l1d+ 2 3G l 2H k l 1M k,l2m+ 1 3 Gl 2H l 2l1M l2 ,l 2n+ 2 3∑H k k,yH k k l 1−10k∑L k k,k,x Hk l 1−12k∑G k Hl k 1M k,k −21− 1 ∑G p H l 23 l1M l2 ,p + 1 ∑ ∑G p Hl k 31M k,p + 1 ∑ ∑2pk pk po22− 1 ∑ ∑Hl k 21H p k Ll 2l2 ,p− 1 ∑H l 26 l1H l 2 p L p l 2 ,l 2+ 1 ∑6k pppiq− 1 ∑ ∑Hl k 31Hp k L p k,k+ 1 ∑ ∑Hl k 31H p k Lk k,p −kp25kpk26H k l 1H l 2 p L p k,l 2p−H l 2l1H p l 2L l 2l2 ,pr−− 1 2∑kH l 2k,y l 1 Hk l 213+ 1 6 Hl 1l 1 ,y l 1 Hl 2l2e+ ∑ kL l 2k,l1 ,x Hk l 214−− 1 3 Ll 1l1 ,l 1 ,x Hl 2l2f++ ∑ k− 1 2− 1 6G l 2Hl k 2M k,l1 − 1 3 Gl 1H l 2l2M l1 ,l 1+ 1t 3s∑ ∑k∑ppHl k 2H l 2p L p k,l 1+ 1 2vH l 2l2H p l 1L l 1l1 ,px+∑ ∑kp∑pH k l 2H p k Ll 2l1 ,pG p H l 2l2M l1 ,pl+ 1 6∑pu−H l 2l2H l 1p L p l 1 ,l 1w−