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{{Short description|American mathematician (born 1949)}} ...cian and textbook author. He is a professor of mathematics and the Dean of the College of Science and Engineering at [[San Francisco State University]]. ...

[[File:Van Lamoen circle.svg|thumb|right|400px| The van Lamoen circle through six circumcenters <math>A_b</math>, <math>A_c</ma ...y given [[triangle]] <math>T</math>. It contains the [[circumcenter]]s of the six triangles that are defined inside <math>T</math> by its three [[median ...

{{Short description|American mathematician (1947–1978)}} |nationality = American ...

{{short description|American mathematician}} | thesis_title = The Linear Homogeneous Group Modulo P ...

...g/programs/maa-awards/writing-awards/a-case-study-in-mathematical-research-the-golay-rudin-shapiro-sequence|doi=10.2307/2974610|jstor=2974610 }}</ref> ...the Rudin–Shapiro sequence is either <math>1</math> or <math>-1</math>. If the binary expansion of <math>n</math> is given by ...

[[File:Schönhardt polyhedron.stl|thumb|3D model of the Schönhardt polyhedron]] ...man mathematician [[Erich Schönhardt]], who described it in 1928, although the artist [[Karlis Johansons]] had exhibited a related structure in 1921. ...

| footnotes = He was the father of [[William De Morgan]]. ...hich he formalized.<ref>De Morgan, (1838) ''Induction (mathematics)'', ''[[The Penny Cyclopedia]]''.</ref> De Morgan's contributions to logic are heavily ...

...ctron microscope]] (SEM) photo of a dust particle collected by [[NASA]] in the [[stratosphere]] together with its [[energy-dispersive X-ray spectroscopy|e ...mical object]]s occurring in [[outer space]]. Dust astronomy overlaps with the fields of [[Planetary science]], [[Cosmochemistry]], and [[Astrobiology]]. ...