finitistic space
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2019 ◽  
Vol 50 (1) ◽  
pp. 23-34
Author(s):  
Hemant Kumar Singh ◽  
Konthoujam Somorjit Singh
Keyword(s):  

2018 ◽  
Vol 60 (3) ◽  
pp. 673-680
Author(s):  
K. SOMORJIT SINGH ◽  
HEMANT KUMAR SINGH ◽  
TEJ BAHADUR SINGH

AbstractLet G be a finite group acting freely on a finitistic space X having cohomology type (0, b) (for example, $\mathbb S$n × $\mathbb S$2n is a space of type (0, 1) and the one-point union $\mathbb S$n ∨ $\mathbb S$2n ∨ $\mathbb S$3n is a space of type (0, 0)). It is known that a finite group G that contains ℤp ⊕ ℤp ⊕ ℤp, p a prime, cannot act freely on $\mathbb S$n × $\mathbb S$2n. In this paper, we show that if a finite group G acts freely on a space of type (0, 1), where n is odd, then G cannot contain ℤp ⊕ ℤp, p an odd prime. For spaces of cohomology type (0, 0), we show that every p-subgroup of G is either cyclic or a generalized quaternion group. Moreover, for n even, it is shown that ℤ2 is the only group that can act freely on X.


1985 ◽  
Vol 32 (3) ◽  
pp. 389-397
Author(s):  
Tej Bahadur Singh

In this paper, we show that the fixed point set of Zp-actions, p an odd prime, on a finitistic space X of type (a, b) is non-empty, whenever b ≡ 0 (mod p). We also prove a similar result for circle group actions of finitistic spaces of (a, 0) type.


1985 ◽  
Vol 17 (1) ◽  
pp. 49-51 ◽  
Author(s):  
Satya Deo ◽  
Alan R. Pears

1983 ◽  
Vol 6 (3) ◽  
pp. 477-482 ◽  
Author(s):  
Satya Deo ◽  
Mohan Singh

Since the product of two finitistic spaces need not be finitistic, and also because a continuous closed image of a finitistic space need not be finitistic, it is natural to enquire whether or not the class of finitistic spaces in closed under the formation of cones, reduced cones, suspensions, reduced suspensions, adjunction spaces, mapping cylinders, mapping cones, joins and smash products. In this paper we prove that all of the above constructs, except joins and smash products, of finitistic spaces are finitistic. The joins and smash products of finitistic spaces, however, need not be finitistic. We find sufficient conditions under which these are also finitistic.


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