Download e-book for kindle: A Cp-Theory Problem Book: Special Features of Function by Vladimir V. Tkachuk

By Vladimir V. Tkachuk

ISBN-10: 3319047469

ISBN-13: 9783319047461

ISBN-10: 3319047477

ISBN-13: 9783319047478

This paintings is a continuation of the 1st quantity released through Springer in 2011, entitled "A Cp-Theory challenge e-book: Topological and serve as Spaces." the 1st quantity supplied an advent from scratch to Cp-theory and basic topology, getting ready the reader for a qualified figuring out of Cp-theory within the final part of its major textual content. This current quantity covers a wide selection of subject matters in Cp-theory and normal topology on the specialist point bringing the reader to the frontiers of recent study. the amount comprises 500 difficulties and routines with whole suggestions. it might even be used as an advent to complex set thought and descriptive set conception. The publication provides varied themes of the speculation of functionality areas with the topology of pointwise convergence, or Cp-theory which exists on the intersection of topological algebra, useful research and normal topology. Cp-theory has a tremendous position within the class and unification of heterogeneous effects from those parts of study. additionally, this publication offers a fairly whole assurance of Cp-theory via 500 conscientiously chosen difficulties and routines. via systematically introducing all of the significant subject matters of Cp-theory the publication is meant to carry a devoted reader from easy topological rules to the frontiers of contemporary research.

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Extra info for A Cp-Theory Problem Book: Special Features of Function Spaces

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228. Prove that any space with a -discrete network is a ˙-space. , then X is a Lindelöf ˙-space. 229. Let X be a metrizable space. X / is a ˙-space if and only if X is second countable. 230. Prove that any p-space is a k-space. Give an example of a Lindelöf ˙-space which is not a k-space. 231. Give an example of a countable space which is not a p-space. Note that this example shows that not every Lindelöf ˙-space is a p-space. ˇ 232. Prove that any Cech-complete space is a p-space. Give an example of a ˇ p-space which is not Cech-complete.

X / is K-analytic if and only if it has a P-directed compact cover. 394. Give an example of a non-K-analytic space which has a P-directed compact cover. 395. Assuming MAC:CH, prove that if X is a K-analytic space such that every compact subspace of X is metrizable, then X has a countable network. Observe that if every compact subspace of an analytic space X is countable, then X is countable. 396. x; x/ W x 2 X g in X X can be indexed as B D fOp W p 2 ! g in such a way that Op Oq whenever p; q 2 !

160. Ä/-monolithic. 161. )-stable. 2 Monolithity, Stability and Their Generalizations 17 162. Ä/-monolithic. 163. X / is spread(Ä)-monolithic, then X is spread(Ä)-stable. 164. )-monolithic. 165. Ä/-stable. 166. Ä/-monolithic. 167. /stable. 168. Ä/-monolithic. 169. Ä/-stable. 170. /-monolithic. 171. Ä/-monolithic. 172. )-monolithic. 173. Given a space X and an infinite cardinal prove that X is hl . X / is hd. /-stable. 174. )-stable. 175. Ä/-monolithic. 176. Ä/-monolithic. 177. Ä/-monolithic. 178.

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A Cp-Theory Problem Book: Special Features of Function Spaces by Vladimir V. Tkachuk


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