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Questions
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What is a simplicial commutative ring from the point of view of homotopy theory?

jan 11 at 21:42 André Henriques 14.9k●2●30●83

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Are spectra really the same as cohomology theories?

jan 1 at 7:37 Tom Goodwillie 26.8k●2●58●110

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Smashing localizations in the category of spectra

nov 22 at 19:08 John Palmieri 1,824●1●7●15

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Is a wedge of spheres an $E_\infty$ ring spectrum?

nov 2 at 5:04 Tyler Lawson 18.7k●2●44●90

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$\mathbb{Z}/2$-action on spectra given by inversion

sep 29 at 19:58 Tyler Lawson 18.7k●2●44●90

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Fundamental group of the moduli stack of elliptic curves

aug 24 at 21:19 quasi-coherent 494●3●6

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What is the upper shriek in Grothendieck duality in the non-proper case?

aug 2 at 22:49 Jacob Bell 705●1●7

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Reference on the question mark cell complex

jul 21 at 21:47 Eric Peterson 2,934●1●14●28

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Is there an algebro-geometric description of $\nu$?

jul 17 at 20:35 Akhil Mathew 12k●2●28●89

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666
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What do loop groups and von Neumann algebras have to do with elliptic cohomology?

jul 6 at 19:00 André Henriques 14.9k●2●30●83

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