## Theory of $$I^*$$-functor in algebraic topology - real topology of fiber squares.(English)Zbl 0336.55019

### MSC:

 55R05 Fiber spaces in algebraic topology 12H05 Differential algebra 18G30 Simplicial sets; simplicial objects in a category (MSC2010) 55U10 Simplicial sets and complexes in algebraic topology 55T99 Spectral sequences in algebraic topology