نتایج جستجو برای: ends lemma
تعداد نتایج: 47010 فیلتر نتایج به سال:
ABSTRACT- Bromus danthoniae Trin. is an annual grass species which grows mainly on dry grassy rocky mountain slopes and grassy steppe, and is grazed by many herbivores and recognized as a useful pasture plant. The chromosome number, morphological and anatomical traits of 82 genotypes of B. danthoniae belonging to three sub-taxa were investigated. Twenty-seven quantitative and 20 qualitative mor...
The notion of polytopal map between two polytopal complexes is defined. Surprisingly, this definition is quite simple and extends naturally those of simplicial and cubical maps. It is then possible to define an induced chain map between the associated chain complexes. Finally, we use this new tool to give the first combinatorial proof of the splitting necklace theorem of Alon. The paper ends wi...
A methodology is presented to enable the usage of a digital tester for an accurate detection of open circuits as well as short circuits in test structures to control backend process steps. Therefore, a novel graph model will be introduced to calculate the resistance values of test structures containing defects. The paper gives a comprehensive description of the procedure to adjust the tester pa...
a 1993 result of j. llibre, and m. misiurewicz, (theorem a [5]), states that if a continuous map f of a graph into itself has an s-horseshoe, then the topological entropy of f is greater than or equal to logs, that is h( f ) ? logs. also a 1980 result of l.s. block, j. guckenheimer, m. misiurewicz and l.s. young (lemma 1.5 [3]) states that if g is an a-graph of f then h(g) ? h( f ). in this pap...
فرض کنید r حلقه ای موضعی نوتری وm یک r -مدول باشد که روی طیف محذوف r موضعاً آزاد از رتبه یکسان است و i ایده ال سره ای از r باشد. در این صورت نگاشت های موجود در تجزیه ی آزاد کمین m در خاصیت یکنواخت آرتین-ریس صدق می کنند.
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