On medial properties of maps
On properties preserved by the approximate domination
On properties of approximate fibrations. I.
Cevians as sides of triangles.
On propellers from triangles.
Shape groups for -algebras.
Proper shape invariants: Smoothness and calmness.
Proper shape invariants: Tameness and movability.
Regular hexagons associated to centroid sharing triangles.
Sums of squares and products of Jacobsthal numbers.
The Neuberg cubic in locus problems.
On sums of squares of Pell-Lucas numbers.
Cyclic quadrangles from squares.
-movable and -calm compacta and their images
Locally Compact Spaces ℓ-Tame At Infinity
ℓp-Movable At Infinity Spaces, Compact And Divisors And Property UVWn
Some alternating sums of Lucas numbers
We consider alternating sums of squares of odd and even terms of the Lucas sequence and alternating sums of their products. These alternating sums have nice representations as products of appropriate Fibonacci and Lucas numbers.
Hilbert cube modulo an arc
-Movably regular convergences
The shape genus of a shape map
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