scholarly journals Errata to the paper "On exact sequences and strict bounded group homomorphisms "

2022 ◽  
Vol 40 ◽  
pp. 1-1
Author(s):  
Dinamérico Pereira Pombo Junior

Corrections to the above-mentioned paper are provided.

2021 ◽  
Vol 39 (2) ◽  
pp. 195-202
Author(s):  
Dinamérico Pereira Pombo Jr.

Necessary and sufficient conditions for the exactness (in the algebraic sense) of certain sequences of bounded group homomorphisms are established.


2010 ◽  
pp. 139-158 ◽  
Author(s):  
Jesús M. F. Castillo ◽  
Yolanda Moreno

2021 ◽  
Vol 19 (1) ◽  
pp. 706-723
Author(s):  
Yuri V. Muranov ◽  
Anna Szczepkowska

Abstract In this paper, we introduce the category and the homotopy category of edge-colored digraphs and construct the functorial homology theory on the foundation of the path homology theory provided by Grigoryan, Muranov, and Shing-Tung Yau. We give the construction of the path homology theory for edge-colored graphs that follows immediately from the consideration of natural functor from the category of graphs to the subcategory of symmetrical digraphs. We describe the natural filtration of path homology groups of any digraph equipped with edge coloring, provide the definition of the corresponding spectral sequence, and obtain commutative diagrams and braids of exact sequences.


1970 ◽  
Vol 14 (2) ◽  
pp. 205-215 ◽  
Author(s):  
Beno Eckmann ◽  
Urs Stammbach
Keyword(s):  

2011 ◽  
Vol 158 (14) ◽  
pp. 1831-1835
Author(s):  
Karim Boulabiar ◽  
Fouad Gdara
Keyword(s):  

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