Has anybody analysed a "rotational" geometry with a "secant" metric as a model for the geometry of the universe?

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Adherence/attendance rates on non home based resistance exercise in non-athletic adults?

Dear colleagues I'm looking for a reference that can provide accurate compliance/attendance rates of non-home-based strength training in gyms or clubs (supervised or not) in middle aged to older...

13 May 2024 4,655 0 View

What are differences and similarities between Quantum Computing Linear Equations and Combinatorical Linear Equations?

Hi everyone interested, Since I'm in applied mathematics and not in quantum computing (only having a general Idea), I want to ask for similarities and differences of these two types of linear...

28 February 2024 2,519 3 View

Can you help to save the collections of the Muséum National d'Histoire Naturelle in Paris?

Dear colleagues. The management of the Muséum national d'Histoire naturelle recently decided to relocate the collection to a different place, namely Dijon approx. 250 km away from Paris. While...

30 April 2023 9,211 41 View

How to compute transition probability in a non-homogenous continuous time Markov model along a certain path?

The Nelson-Aalen estimator of the transition matrix P(s,t) estimates the transition probability in the time interval [s,t] from any state s1 to any other state s2. Is it possible to estimate the...

13 November 2021 6,670 5 View

How to control unspecific (hydrophobic?) interactions on PS/DVB Ion exhange resins?

Dear Experts, I'm trying to separate a Fluorescein-like Xanthene dye (only phenolic and carboxylic charged groups) from byproducts with amino groups. I assumed that a strong acidic cation...

22 September 2021 3,685 0 View

Does anybody have opinions on Open Research Europe? Is it equivalent to publication in peer-reviewed journals?

Review is not blind, but risk of sweetheart reviews is probably contained by the transparency of the process? https://open-research-europe.ec.europa.eu/about/

13 April 2021 8,016 3 View

How does descriptive prose (sketch) depict (picture) its object, esp. compared to graphics?

Before Gertrud Stein tried to bring abstract art-practices to sketching, writers used terms like "line", "delineation", "frame" etc. to show their affinity to graphic arts (engravings, etchings)....

29 January 2021 9,082 9 View

What is the best preservative agent against lactic acid bacteria?

Dear All, I have problems with spoilage caused most likely by lactic acid bacteria in vegan sliced sausage. The product was stored at ~7°C in vacuum packaging and after three weeks it got yellow...

19 January 2021 5,812 3 View

What is the meaning of p-value in linear regressions?

In many papers linear regressions of data are reported: A recent example: "we find a significant negative relationship (r 2 = 0.21; p = 4 × 10 -8)." The data points scatter strongly around the...

21 December 2020 3,175 3 View

Which automatic data processing for angle detection in Plugin Gait (VICON) do you use?

I would like to analyze gait cycles (running) - is there a smart way for cycle detection and calculation of the angles for each joint (average/maximum) for a certain amount of cycles - without...

07 December 2020 2,810 2 View

Request a single Lecture notes for math as detailed as this that I can find in one place?

- The Existence/Uniqueness of Solutions to Higher Order Linear Differential Equations - Higher Order Homogenous Differential Equations - Wronskian Determinants of $n$ Functions - Wronskian...

03 August 2024 2,366 0 View

What is the acceptable p-value cutoff for GO enrichment analysis ?

I have an RNA-seq data that I have analysed using Limma-voom and have extracted the gene IDs, log2FC and the p-values. At p value < 0.05, I have over 10,000 DEGs, however, when I run the GO...

31 July 2024 225 2 View

Can we find a statistical matrix mechanics equivalent to the Schrödinger equation?

We assume that we can find a statistical matrix mechanics equivalent to Schrödinger's PDE in two consecutive steps: i-Transform the Schrödinger PDE describing the wave function Ψ into its square...

27 July 2024 3,959 4 View

How to Import Blade geometry from CAD file in ANSYS design modeler?

Hello. I have the geometry of a blade in CAD file (stp) and I want to prepare the blade for meshing with turboGrid. I must import this file into designModeler and then transfer to the...

27 July 2024 356 3 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View

Seeking MATLAB Code for Differential Evolution in Multilevel Thresholding Image Segmentation ?

Hello, I am a research scholar currently working on a project involving image segmentation, and I am interested in using differential evolution for this purpose . I would greatly appreciate it if...

25 July 2024 9,926 1 View

Flow through curved domains?

Hi everyone, I am working on a curved domain in which a ship is situated in the middle (geometry is given below). In my understanding the general fluid flow is parallel to the x axis from inlet to...

25 July 2024 9,058 4 View

Can any one let me know the PDE value for Tert-Butylamine in order to control in the API?

PDE value for Tert-Butylamine

24 July 2024 1,166 0 View

Is it true that there is a physico-statistical meaning to the constant π other than circular geometry but the iron guardians of the SE deny it?

We assume that there is a physico-statistical meaning to the constant π other than circular geometry, but the iron guardians of the Schrödinger equation deny this. The iron guardians of the...

22 July 2024 4,285 9 View

Can you suggest reliable procedures to get displacements from accelerations in frequency domain ?

I have identified many solutions. I need suggestion from somebody with application experience of this topic to identify the most reliable and robust procedure.

21 July 2024 3,465 5 View