Results 51 to 60 of about 69,479 (251)

Numerology in Topoi

open access: yesTheory and Applications of Categories, 2006
As a footnote on the first page explains, this paper has existed in typescript form since 1981, and the results in it have been known to experts in topos theory for 25 years, but they have only now become available in publicly accessible form.
openaire   +2 more sources

Copernicus's Heliograph at Olsztyn -- the 500th Anniversary of a Scientific Milestone

open access: yes, 2017
Exactly 500 years ago, Nicolaus Copernicus drew a lattice of lines on a panel above the doorway to his rooms at Olsztyn Castle, then in the Bishopric of Warmia.
Fischer, Gordon, Graßhoff, Gerd
core   +1 more source

Intellectual humility and argumentation [PDF]

open access: yes, 2020
In this chapter I argue that intellectual humility is related to argumentation in several distinct but mutually supporting ways. I begin by drawing connections between humility and two topics of long-standing importance to the evaluation of informal ...
Aberdein, Andrew
core  

Actin Isovariant ACT2‐Mediated Cellular Auxin Homeostasis Regulates Lateral Root Organogenesis in Arabidopsis thaliana

open access: yesCytoskeleton, EarlyView.
ABSTRACT Lateral root (LR) organogenesis is regulated by cellular flux of auxin within pericycle cells, which depends on the membrane distribution and polar localization of auxin carrier proteins. The correct distribution of auxin carrier proteins relies on the intracellular trafficking of these proteins aided by filamentous actin as a track.
Aya Hanzawa   +2 more
wiley   +1 more source

African Literary Topoi in Modern African Texts and the Problematics of Europhone Forms

open access: yesRomanian Journal of English Studies, 2013
This article treats selected oral poems whose topoi or motifs have transcended time and space to play out themselves in modern African fictions where colonial languages and their consequent habits of thought serve as media of enunciation.
Chukwumah Ignatius
doaj   +1 more source

Characterizing Van Kampen Squares via Descent Data

open access: yes, 2012
Categories in which cocones satisfy certain exactness conditions w.r.t. pullbacks are subject to current research activities in theoretical computer science.
A. Grothendieck   +20 more
core   +2 more sources

PEK14: A Kinesin‐4 Necessary for Male‐Derived Fertility in Arabidopsis thaliana

open access: yesCytoskeleton, EarlyView.
ABSTRACT Of the 61 kinesins annotated in Arabidopsis thaliana, many are still without assigned function. Here, we have screened an insertional mutant library of Arabidopsis pollen‐expressed kinesins for fertility defects. Insertional mutants for three kinesins showed a significant reduction in seed set.
Isabella N. Mendes   +6 more
wiley   +1 more source

The EU's Strategy for Sustainability: A Landmark Turn With the European Green Deal?

open access: yesEuropean Policy Analysis, EarlyView.
ABSTRACT While the European Green Deal (EGD) has been widely recognized as a milestone in the EU's sustainability strategy, scholars disagree on the nature of the policy change it represents. Critics highlight its limited social and environmental ambitions, despite its portrayal as a “man on the moon” moment.
Ekaterina Domorenok, Franco Gatti
wiley   +1 more source

The Weil-\'etale fundamental group of a number field II

open access: yes, 2010
We define the fundamental group underlying to Lichtenbaum's Weil-\'etale cohomology for number rings. To this aim, we define the Weil-\'etale topos as a refinement of the Weil-\'etale sites introduced in \cite{Lichtenbaum}. We show that the (small) Weil-\
Morin, Baptiste
core   +2 more sources

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