Title
Cne diamant: Tableaux de Young quasi standards (Omn.Pres.Franc.) (French Edition),Used
Delivery time: 8-12 business days (International)
Depuis le 19me siecle, on utilise les tableaux de Young semi standards pour indexer les bases des modules simples sur l'algbre de Lie gl(m) ou sl(m). L'ensemble de tous ces tableaux forme une base pour l'algbre de forme de l'algbre de Lie considre. Dans le cas d'une algbre de Lie g nilpotente, et pour ses modules localement nilpotents, il semble trs difficle de dfinir une notion similaire celle d'algbre de forme. Ce problme a cependant une solution si g est le facteur nilpotent de la dcomposition d'Iwasawa d'une algbre de Lie semi simple. Dans ce cas, l'algbre de forme reduite apparait comme un quotient de l'algbre de forme de l'algbre semi simple par l'ideal engendre par les vecteurs v_w 1 ou v_w est un vecteur de plus haut poids pour une reprsentation fondamentale de l'algbre semi simple. Il reste dcrire ce quotient et sa structure de g module. En gnral c'est un module indecomposable, union de toutes les restrictions g des modules simples V(lambda) de l'algbre semisimple. Cette union forme une stratication, et on veut dcrire des bases explicites de cette algebre de forme, qui respecte la stratication.
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Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
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If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.