We report on various results, conjectures, and open problems related to KazhdanLusztig polynomials of matroids. We focus on conjectures about the roots of these polynomials, all of which appear here for the first time.

There is a typographical error in a sentence following (20) in [1, p.1681], in which an extra parenthesis appears. The corrected sentence is as follows. Therefore, p(v) is a Gibbs distribution p(v) = 1=Vintexp E . Also, the authors’ photographs and biographies did not appear in [1], and they now appear below. In addition, some of the information in references [9], [24], and [28] has changed. Th...

We derive twistorial tensionful bosonic string action by considering on the world sheet the canonical twistorial 2–form in two–twistor space. We demonstrate the equivalence of or model to two known momentum formulations of D = 4 bosonic string, with covariant worldsheet vectorial string momenta P m μ (τ, σ) and the one with tensorial string momenta P[μν](τ, σ). All considered here string action...

Poetic submission for special issue, "Hip hop and libraries," volume 6, issue 1/2, 2022.

We shall here discuss a new spacetime gauge-covariant Lagrangian formulation of General Relativity by means of the Barbero-Immirzi SU(2)-connection on spacetime. To the best of our knowledge the Lagrangian based on SU(2) spacetime fields seems to appear here for the first time.

California’s failure in restructuring its electricity market has been interpreted to mean that “deregulation will not work.” A number of studies have pointed to flaws in the California experience that -if corrected -should allow restructuring to be successful. This study compares the California experience with the actual, successful experience of several other states/countries to identify what ...

In this paper we propose a wearable vision interface system named “I’m Here!” to support a user’s remembrance of object location in everyday life. The system enables users to retrieve certain information from a video database that has recorded a set of the latest scenes of target objects which were held by the user and were observed from the users’ viewpoint. We propose the object recognition m...

We examine variation in the concentration of inventive activity across 72 of North America’s most highly innovative locations. In 12 of these areas, innovation is particularly concentrated in a single large firm; we refer to such locations as “company towns.” We find that inventors employed by large firms in these locations tend to draw disproportionately from their firm’s own prior inventions ...

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