Five people died in Saturday's crash, including also two members of Vichai's staff, Nursara Suknamai and Kaveporn Punpare, pilot Eric Swaffer and the pilot's girlfriend, Izabela Roza Lechowicz, also a pilot.
Leicester's Carabao Cup clash with Southampton and the development squad's fixture against Feyenoord in the Premier League International Cup have been postponed.
Mr. Srivaddhanaprabha was killed on Saturday when his helicopter crashed outside the King Power Stadium and the Algerian winger looked to the heavens after his decisive sixth-minute goal.
The Thai billionaire is expected to be flown from England to his home country this week for final final funeral rights.
Both Blackpool and Arsenal players will wear black armbands during Wednesday's last-16 Carabao Cup clash at the Emirates Stadium, while either a minute's silence or applause will take place prior to kick off.
'As such, we will be offering our support to Leicester City in any way necessary in respect of this weekend's fixture'.
"To be honest, it's been very, very hard for me", Mahrez told Sky's Geoff Shreeves.More news: 15th package by 'bomber' is intercepted
Mahrez won the Premier League title during his time at Leicester as well as winning the Player of the Year award in the same season.
'His quiet yet authoritative aura, presence and personality have had an immeasurable influence on English football.
Not only did the champions have to overcome a Tottenham side that had made their best nine-game start to a Premier League, they did so on a field damaged and discoloured by an NFL game held at the ground on Sunday. I have been privileged to manage both clubs owned by King Power, and at Oud-Heverlee Leuven in Belgium, have the task of building a club which can emulate King Power's success in England'.
Vichai's family, including his son Aiyawatt and wife Aimon, arrived at the stadium on Monday to lay flowers among the mass of tributes already left by the club's supporters.
The Foxes confirmed the book will remain open for 14 hours every day "for the foreseeable future".
The Air Accidents Investigation Branch said it had recovered the flight data recorder and would remain in the city until the end of the week before transporting the wreckage to its facilities in Farnborough.