LAPSE
发表于 2025-3-25 03:24:04
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Debark
发表于 2025-3-25 11:31:13
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circumvent
发表于 2025-3-25 11:54:13
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刺耳的声音
发表于 2025-3-25 16:58:36
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WAX
发表于 2025-3-25 21:03:02
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PALMY
发表于 2025-3-26 03:58:33
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Coronation
发表于 2025-3-26 08:10:04
Generic Quantized Coordinate Rings of Semisimple Groups,ingle-parameter quantized coordinate rings ... with . not a root of unity; the root of unity case will be discussed in Chapter III.7. As with quantized enveloping algebras, . is just a suggestive label, and quantized coordinate rings for . can be defined over (almost) arbitrary fields. Since ... is
nerve-sparing
发表于 2025-3-26 12:21:31
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有助于
发表于 2025-3-26 15:07:41
Homological Conditions, the supremum of the projective dimensions of the right R-modules. The.is defined analogously. Recall that the right and left global dimensions of a noetherian ring coincide.,Corollary 9.23]. Hence, we just write gl.dim(R) for this dimension. It is also known that if inj.dim(RR) and inj.dim(RR) are
invert
发表于 2025-3-26 20:49:13
Links and Blocks,decompose A as a finite direct sum of indecomposable (and necessarily Artinian) rings. Equivalently, where the ei are.(Central idempotents are.if their product is zero; a central idempotent is.if it is non-zero and it cannot be written as the sum of two orthogonal non-zero central idempotents.) It’s