Branko Grünbaum (source code)

= Branko Grünbaum
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<Branko Grünbaum> studied geometric and combinatorial structures, including <uniform polyhedra>. His survey on uniform polyhedrals extends the investigation from finite objects to locally finite ones, requiring regular polygonal faces and a single vertex orbit under spatial symmetries.<Uniform polyhedrals by Branko Grünbaum>[Original byline, abstract and section 1]{ref}

The broader setting admits infinite structures such as rods, slabs and sponges. Explicitly stating which overlaps and coincidences are permitted becomes essential: changing the definition changes the class being investigated. His exposition shows how precise combinatorial and symmetry conditions organize visual geometry.<Uniform polyhedrals by Branko Grünbaum>[Abstract and section 1]{ref}